This grip will fit the older model of the Ruger Security Six with 150-xxx serial number. I recently acquired an older 150 series Security Six with the original walnut grips. The ergonomics of the grip were pretty bad, especially using .357 ammunition. The grip was simply too narrow. I started the search for something after-market but since this ...Manufacturer: RUGER Model: SECURITY-SIX Serial Number: 153-904?? Barrel Length: 4 Condition: EXCELLENT . See all listings by Classic Firearms Print this listing. Click Photo to Enlarge: Guns International #: 101604719 Seller's Inventory #: 25657 Category - Ruger Revolvers - Security Six - .357 Magnum Revolvers.This example of a Ruger Security Six is the original (Pre-151 serial number) model with the 'humpback' grip. The frame and grips changed after Serial numbers 151xxx and higher, thus newer grips will not fit the older versions of the same model. Standard barrel lengths offered were 2.75, 4, and 6 inches.security-six vintage 1983 ruger security six 357 magnum revolver 6” 357mag pistol parts 6 inch " barrel sold location: new lenox, il 60451 sold date: 3/25/2024 12:00:00 am: $625.00 - used.357 mag. security-six 1985 ruger security six mag stainless *amazing ruger revolver w/ box* wg3.10 6 inch " barrel sold location: liberty, ky 425391970. 60-52410. 1971. 60-81278. 1972. The above chart shows the approximate first serial number shipped for the indicated year. This number should be used as a point of reference only. It is not necessarily the very first serial number shipped, but it can be used to determine the approximate year your Ruger firearm was shipped.274 posts · Joined 2007. #5 · Sep 24, 2014 (Edited) I just happen to have a couple of sets of the Jay Scott Pearl grips 62A in my grip collection and they do fit the 159 and later Security Sixes. I started collecting Security Six grips a few years back. Here's what they look like on the SS and also some of my prized SS grips including an ...Nov 28, 2012 · Many models are lumped together with the same prefixes, such as Security-Six, Speed-Six, and Service-Six, which were all in the same family. You can imagine the confusion when a law enforcement agency did a NCCs check for a stolen gun. Any Ruger with the same serial number would come up as stolen when indeed it may have been a totally different ...Standard & Mark I Pistol. (manufactured from 1949 to 1982) Caliber: 22 LR. Beginning Serial Number: Years of Production: 1. 1949. 2416.8. Hi guys - is there an online reference that would tell the history and model changes for the Security Six that you can refer me to ? I searched on the forums and didnt find this. The Ruger company site lists serial numbers & manufacture dates, but not much more. I'm particularly interested in what changes were made in the 151- serial number ...The .357 Mag. Security-Six double-action service revolver was one of the all-time great handguns. It was accurate, ergonomic, rugged, and dependable. When Bill Ruger introduced it in 1971, he wanted to offer the shooting world a top-quality double-action .357 Mag. at a low price. With an introductory retail price of $89 for the fixed-sight ...A new 150-series GA-34 Security-Six acquired! I recently acquired a NIB 4" stainless 150-series, model GA-34 Security-six to be added to my Six Series collection. It was produced in 1974. Although these are scarce in stainless, this one is even scarcer in view of the fact that it has a #151 serial number prefix-yet it was manufactured with the ...Any restaurant reviewer worth his sea salt needs talented taste buds. A travel writer should enjoy elite status with her favorite airline. And a home-improvement… By clickin...The OM Single-Six Convertibles started in 1961 with the serial number of; 162xxx and went to 1973 with a serial number of 21-56105. (Per RENE.) In 1967 the serial number range was; 475650 to 490278. The adjustable sighted guns,, called the "Super Single-Six" started with serial number 400001 and went to 400005 and 500001 to 572014.Instruction Manuals. Sturm, Ruger & Co., Inc. is one of the nation's leading manufacturers of rugged, reliable firearms for the commercial sporting market. With products made in America, Ruger offers consumers almost 800 variations of more than 40 product lines, across both the Ruger and Marlin brands.I purchased a 157 serial number Speed Six and 157 Serial number Security Six yesterday. It was a local purchase face to face. I met the guy looked the guns over briefly and took them home. The Speed Six has your typical Ruger trigger pull. I'm pleased with it. The issue is with the Security Six. The double action pull almost feels like it's ...This is a 150 and below serial number model. A quick review of the Ruger Security Six Revovler in .357 mag. Overall a wonderful pistol. This is a 150 and below serial number model.Ruger Security Six Serial Number 150 Grips ... #12: Ruger Security Six Humpback – Gun Nuts Media 1024 × 798 - 354k - jpg en.wikipedia.org .... 25 Jan 2012 ... I am helping a friend work on a project gun of his.19925 posts · Joined 2006. #3 · Apr 21, 2023. Your Single-Six was made in late 1968, just before the Gun Control Act of 1968 was put in force (Jan 1, 1969) After Jan 1, '69, all Ruger serial numbers had a two or three digit prefix. Starting in 1969, Single-Sixes had a serial number prefix of 20. It's eye-Oh-wee-jan .Here are my questions: First, the gun is a Ruger Security Six in stainless steel with a serial number of 151-80214. ... The Ruger Security-Six and it's $300 price tag and it's worthiness when it comes to a reliable and proven pistol, sealed my decision to buy it. Sep 1, 2009 #8RUGER Security Six Revolver .357 Mag. CHF 700.00. Reserviert. SKU. 4318. Zur Vergleichsliste hinzufügen. Art der Bewilligung. Waffenerwerbschein (WES).Feb 13, 2013 · This included the Speed-Six, Service-Six, and Police Service-Six (same as a Service-Six). There were no dedicated serial number prefixes for these ... all were lumped into the same group. Here's the key for Ruger catalog numbers for the Security-Six family: RDA = Blue Security-Six w/adjustable sights and square butt.Mar 31, 2014 · A rarer model is the Stainless 2 3/4″ Security Six without the warning message, pictured below. They were offered for a short time without the warning on the barrel. They are harder to find in good condition. It took quite a while to find one in this condition:.357 Magnum Ruger Security Six 151 Prefix Stainless Steel Model Pre-Warning1970. 60-52410. 1971. 60-81278. 1972. The above chart shows the approximate first serial number shipped for the indicated year. This number should be used as a point of reference only. It is not necessarily the very first serial number shipped, but it can be used to determine the approximate year your Ruger firearm was shipped..357 Ruger Security-Six. Stainless. Approximately 1975. 2.75-inch barrel. ... I'd already bought a brand new, still in the original Ruger box, set of Ruger target grips for a Security-Six with the serial number range of 151. The other coincidence is this gun I'm looking at is a 151-series gun. ... Fortunately Ruger didn't fit and number each ...What website can I find a list of the serial numbers for the single six? It looks to me that you have a "old model" My slightly used 22 security six, 6. Ruger Single Six ** Not What I Expected **Ĭan somebody give me more information. I have an idea what it's worth, but don't know for sure. I have a Ruger 22 single six 3 screw with flat gate, ser.Whalerman Discussion starter. 68 posts · Joined 2017. #1 · May 3, 2019. Until this week, every time I looked up a serial number, Ruger's web site presented me with a table (list) of a models' numbers and approximate date of manufacture. They've changed that. Now I'm shown a field to enter the serial number and the web site comes back with the ...Manufacturer: Ruger Model: Security - Six Serial Number: 159-62756 Caliber Info: 357 Magnum . See all listings by Long Shot Inc Print this listing. Click Photo to Enlarge: Guns International #: 101393514 Seller's Inventory #: M-2602 Category - Ruger Revolvers - Security Six - Ruger Revolvers - Double Action.SOLDPENDING FUNDS For sale Ruger Security Six 4 inch blue in 150 serial number range. The gun has wear on high points, When I purchased the gun it had Pachmayr with Ruger medallion. I was not allowed to remove grips and when I did I found a previous owner had altered the lower part of the grip (photo below).Beginning Serial Number: Years of Production: 322-79000: 2012: 323-21430* 2013 : 325-21858: 2014: 326-46105: 2015 ... Ruger does not necessarily produce firearms in serial number order. There are occasions when blocks of serial numbers have been manufactured out of sequence, sometimes years later. Also, within a model family the same serial ...I have a ruger.22cal single-six 3 screw revolver I bought new in 1967 no papers or box. shot maybe 100 rounds probably less serial#430286. value, I have one with the ser number 48xxx. I paid $75.00 for one in 1963. Have been researching for another one.Any SR22 that has not previously been retrofitted with serial number 369-89043 or lower (including those with a "SS" serial number prefix) is subject to this Safety Bulletin, IF it has either: (1) exhibited (or exhibits in the future) a slack single-action trigger; or (2) discharged upon decocking. If you have ever experienced either of these ...Manufacturer: Ruger Model: Security-Six Serial Number: 153-84660 Caliber Info: 357 Mag . See all listings by Long Shot Inc Print this listing. Click Photo to Enlarge: Guns International #: 101147227 Seller's Inventory #: M-2420 Category - Ruger Revolvers - Security Six - .357 Magnum Revolvers.What website can I find a list of the serial numbers for the single six? It looks to me that you have a "old model" My slightly used 22 security six, 6. Ruger Single Six ** Not What I Expected **Ĭan somebody give me more information. I have an idea what it's worth, but don't know for sure. I have a Ruger 22 single six 3 screw with flat gate, ser.RUGER SECURITY-SIX Description: Guns Listing ID: 528243 ... Serial number: 152-80899 SOLD Manufacturer: RUGER Model: SECURITY-SIX Caliber Info:.357 MAG Condition: Used - Certified Barrels: 4.1 BARREL Finish: STAINLESS . See all listings by Guns Dot Com Print this listing. Click Photo to Enlarge:In 1971, Sturm, Ruger & Co. began production of double-action centerfire revolvers intended for the law enforcement and personal defense market. The popular Speed-Six was available in .38 Special, .357 Magnum, or 9mm calibers. This model was later joined by the Security-Six and Police Service-Six. The large-frame Redhawk revolver, chambered for ...Our Ruger serial number lookup allows you to date your vintage rifle. Our Ruger serial number lookup allows you to date your vintage rifle. Cart 0. Sign In My Account. ... Ruger #1 Rifle. 1967 1-2230 1968 2231-5884 1969 5886-8437 1970 130-00001 to 130-01680 1971 130-01681 to 130-03842SDA=Blue Service-Six with fixed sights. 3=357 Mag. 4=4" barrel. SS=Blue Speed-Six with fixed sights. 3=357 Mag. 4H=4" heavy barrel. davemu, A Service-Six would either be SDA for Blue or GF for stainless. The next number is the caliber: 3=357 Mag. 8=38 Special. 9=9mm. The last number is the barrel length: 2=2 3/4".The .38 Special Security Sixes are rare, but there are not as many Ruger DA collectors so I don't think they will ever bring a huge premium. But, if you find a collector who needs one you might get $6-700 for it. Most buyers of the Security Sixes are shooters, and go for the .357 models.361-61804. 2013. 363-68302. 2014. 364-79529. 2015. The above chart shows the approximate first serial number shipped for the indicated year. This number should be used as a point of reference only. It is not necessarily the very first serial number shipped, but it can be used to determine the approximate year your Ruger firearm was shipped.Grooves6. Twist1:10" RH. Available in CANo. Available in MANo. UPC7-36676-03810-7. Suggested Retail$369.00. Compact for easy concealment, the Security-9 ® is designed to fit a variety of available holsters. Rugged construction with black oxide, through-hardened alloy steel slide and barrel and high-performance, glass-filled nylon grip frame.February 17, 2024 by William Taylor. Wondering about the manufacturing date of your Ruger revolver? The best way to determine this is by checking the serial number. Ruger provides a serial number lookup tool on their website, which will provide the manufacturing date of your firearm. Here are answers to some commonly asked questions related to ...Ruger does not necessarily produce firearms in serial number order. There are occasions when blocks of serial numbers have been manufactured out of sequence, sometimes years later. Also, within a model family the same serial number prefix may be used to produce a variety of different models, all in the same block of serial numbers.Serial Number Lookup; ... Security-9 ® Ruger-5.7 ... Chambered in .380 Auto, the Security-380 is full-featured, ideally sized, and modestly priced.No matter the brand or size of your piano, it has been assigned a serial number. Some companies or models may have the number in different places but each one should have identifyi...290 posts · Joined 2020. #16 · Nov 14, 2023 (Edited) Bill Ruger has been quoted as saying he never made any money on the Six Series revolvers which was probably an exaggeration. Many believe the GP100 was more profitable as well as being better able to handle a steady diet of 357 Magnum.Ruger Security Six Serial Number 150 Grips ... #12: Ruger Security Six Humpback - Gun Nuts Media 1024 × 798 - 354k - jpg en.wikipedia.org .... 25 Jan 2012 ... I am helping a friend work on a project gun of his. It is a Ruger Security Six .357 revolver that he picked up recently. ... grips for it but it is an earlier model with a 150 prefix ...287 posts · Joined 2017. #1 · Mar 10, 2021. I found a small country gun shop the other day. I went in there and found they had 3 old Six series revolvers, for sale on consignment. 2 Security Six models and one Police Service Six. Funds are limited (as always), but I went home with the Police Service Six. I also got to buy a box of Blazer ...The .357 Mag. Security-Six double-action service revolver was one of the all-time great handguns. It was accurate, ergonomic, rugged, and dependable. When Bill Ruger introduced it in 1971, he wanted to offer the shooting world a top-quality double-action .357 Mag. at a low price. With an introductory retail price of $89 for the fixed-sight ...A nostalgic article about the Ruger Security-Six, a midsize .357 Magnum revolver from the 1970s. Learn about its features, history, variants and performance.Get a Federal RealTree Towel for $2 with ammo purchase. 30-06 Springfield ** Best Seller ** $27 Subscribe to our newsletter!Business Name :BRASS FED FIREARMS, LLC License :8-25-007-07-09794 License Exp Date : 12-01-2023 Address 145 MELLON RD NEW BRIGHTON, PA 15066 US Start …Top Gun 12 Gauge. 5.56 NATO ** Best Seller ** $43 …Grooves6. Twist1:10" RH. Available in CANo. Available in MANo. UPC7-36676-03810-7. Suggested Retail$369.00. Compact for easy concealment, the Security-9 ® is designed to fit a variety of available holsters. Rugged construction with black oxide, through-hardened alloy steel slide and barrel and high-performance, glass-filled nylon grip frame.The matt-grey PSS is the NYPD Ruger. The serial number of 160-36615 was lettered at Ruger and has a April 1984 shipping date from Ruger. ... In April 1973, I purchased my first .357, a Ruger Security-Six. One of the early 150-series that had recently hit the gun market.Ruger police six serial. 10/30/2022 0 Comments ... Le Ruger Speed Six : version compacte des Ruger Security Six/ Service Six. Ruger Security Six - Револьвер Ruger Security Six, Police Service Six, Speed Six и GS32 N (США) револьвер Ruger Police Service Six, калибр. White, Jane's Guns Recognition Guide, 5th Edition ...Dec 8, 2005. Messages. 4,451. Location. Lemont, PA, USA 16851. Well, I took apart 2 of my Security Sixes. The 150- serial number had the flat bottom rear sight. The 160- serial number had the bump bottom rear sight. I probably need to take a few more apart to see if there is any rhyme or reason, but I don't think it makes a difference.It is a Ruger Security Six .357 revolver that he picked up recently. ... One thing he wants to do is get a set of oversized grips for it but it is an earlier model with a 150 prefix serial number so I can't for the life of me find grips for it yet. Any help/insight would be appreciated. nitesite Average Guy. Moderator "Philanthropist"The first year Ruger Security Six (Serial numbers 150-00001 to 150-35382) had a completely different grip then the rest of the production lines. I had a first year (1972) and a second year (1973) Security Six that had different grips entirely.1967. 490279. 1968. 824407. 1969. The above chart shows the approximate first serial number shipped for the indicated year. This number should be used as a point of reference only. It is not necessarily the very first serial number shipped, but it can be used to determine the approximate year your Ruger firearm was shipped.New Model Single-Six Colorado Centennial Revolver. Caliber: 22 LR. Beginning Serial Number: Years of Production: 76-00001. 1976. The above chart shows the approximate first serial number shipped for the indicated year. This number should be used as a point of reference only. It is not necessarily the very first serial number shipped, but it can ...Serial Number Lookup; Instruction Manuals; SR22® Safety Bulletin 2024; LCP ® LCP ® II; LCP ® MAX; LC380 ® Security-380 ® EC9s ® MAX-9 ® Security-9 ® Ruger-5.7 ... Chambered in .380 Auto, the Security-380 is full-featured, ideally sized, and modestly priced. Model: 3839: Caliber: 380 Auto: Capacity:For sale is a Ruger Security-Six double-action revolver in .357 Mag. Serial number - 152-35996. Mfg Dated to 1975. This revolver is in great condition, with no major wear or damage on the wood grips, cylinder, or frame. The Ruger Security-Six and its variants, the Service-Six and Speed-Six are a product line of double-action revolvers ...The GP100 and SP101 series handguns, designed around similar concepts as the Service Six, Speed Six, and Security Six, are the current flagships of Ruger’s double action revolver line. Peterson ...Ruger Security Six SN Help? Handguns: The Revolver Forum577-10123. 2013. 577-17794. 2014. 577-24749. 2015. The above chart shows the approximate first serial number shipped for the indicated year. This number should be used as a point of reference only. It is not necessarily the very first serial number shipped, but it can be used to determine the approximate year your Ruger firearm was shipped.Sep 16, 2011 · That serial number falls in between 1981 and 1982 on Rugers' serial number chart. I would guess it was manufactured somewhere in between those 2 dates. I think the only way you may be able to find out quickly is by calling Ruger 603-865-2424. Here is the link to the Ruger Security-Six .357 Manufacture DatesModel: Police Service-Six Serial Number: 15192746 Barrel Length: 4 . See all listings by EWGGUNS Print this listing. Click Photo to Enlarge: Guns International #: 102597334 Seller's Inventory #: H-49 Category - Ruger Revolvers - Security Six - Ruger Revolvers - Double Action. Category Ruger Revolvers - Security Six Ruger Revolvers - Double Action.Ruger Mark I, Mark II and Mark III Serial Numbers - Muzzle First LLC. ... Odds & Ends Reviews Obsolete Cartridges Freebies Contact Us Yt. Search. #ad. Buy "The Ruger .22 Automatic Pistol: Standard/ Mark I/ Mark II Series" on Amazon: https://amzn.to/3UANOZ9. Standard & Mark I Pistol – 1949-1982. Beginning Serial Number: Years of Production: 1 ...UPC7-36676-03839-8. Suggested Retail$369.00. Lite Rack™ system includes refined slide serrations, pronounced cocking ears and a lighter recoil spring, allowing for easy slide manipulation. Combined with low-recoiling .380 ammunition, it is the ideal pistol for training and practice. Compact for easy concealment, yet holds a full-sized ...Standard & Mark I Pistol. (manufactured from 1949 to 1982) Caliber: 22 LR. Beginning Serial Number: Years of Production: 1. 1949. 2416.SOLDPENDING FUNDS For sale Ruger Security Six 4 inch blue in 150 serial number range. The gun has wear on high points, When I purchased the gun it had Pachmayr with Ruger medallion. I was not allowed to remove grips and when I did I found a previous owner had altered the lower part of the grip (photo below).The Security Six is one of the best damn revolvers Ruger ever made. Watch this video and find out why. This is also the best damn Secuirty Six video on Youtu...1,103. I put a GP100 rear sight on my Security Six. The gun was a PD trade in and the sights had been bashed pretty good. A GP100 rear sight is the same as the Security Six sight. My Security Six is from 1978 and a brand new GP sight dropped right in, if that helps any. Jun 18, 2011.If anyone does have a Six series DA revolver (Security Six, Police Service Six, or Speed Six) with a serial number between 151-00001 and 151-09505 could they please let me know. If you don't want the world to know, you can PM me with the serial number. I want to try to compile more info about the first double actions that Ruger …The matt-grey PSS is the NYPD Ruger. The serial number of 160-36615 was lettered at Ruger and has a April 1984 shipping date from Ruger. ... In April 1973, I purchased my first .357, a Ruger Security-Six. One of the early 150-series that had recently hit the gun market.The super Single Six was assigned the serial number range 400,000 only 5 were made with that serial number 400,001-400,005 and the 500,000 range. When the Single Six got to 499,999 it went to 500,000. This was in 1968 and the factory forgot that in 1965 they had serial numbered Super Single Sixes in that range.357 Mag, serial number 155-685XX. Stainless, 6" barrel. Overall in good condition, shows moderate wear. Cylinder ring. Bore is excellent. ... This Ruger Security Six in .357 Magnum remains in excellent overall condition. The metal finish shows very little wear and the bore is bright and shiny.#Ruger security six serial number 150 grips serial number. Late in the "150-" serial number prefix range, the grip frame of the Security-Six was changed to a "highback" shape. There was also a version called the Service-Six. Some special 3.-inch-barreled guns were offered on a limited basis, and some revolvers were chambered for 9mm Luger. The ...1,103. I put a GP100 rear sight on my Security Six. The gun was a PD trade in and the sights had been bashed pretty good. A GP100 rear sight is the same as the Security Six sight. My Security Six is from 1978 and a brand new GP sight dropped right in, if that helps any. Jun 18, 2011.Shooting and discussing the classic Ruger Security Six, with three different configurations on the table.----- Hickok45 videos are filmed ...The Gun Control act of 1968 went into effect on Jan 1, 1969. Any Ruger firearm made after that had a prefix (60 for Single-Sixes), however guns made before 1969 were allowed to be shipped with Ruger's old serial number scheme .... no prefix. If you read the blurbs in Ruger's "serial number history", it mentions manufacturing date versus ...Feb 13, 2013 · This included the Speed-Six, Service-Six, and Police Service-Six (same as a Service-Six). There were no dedicated serial number prefixes for these ... all were lumped into the same group. Here's the key for Ruger catalog numbers for the Security-Six family: RDA = Blue Security-Six w/adjustable sights and square butt.New Model Single-Six - SSM Revolver (Manufactured from 1984-2015) Caliber: 32 H&R Mag Beginning Serial Number: Years of Production: 650-00001: 1984: 650-03481: 1985: 650-16439With the gun I will include Jay Scott grips for 150 serial number and Herrett Shooting Star grips for 150 serial number. I will also include Ruger Law enforcement catalogs for 1980, 1981 and 1982, Ruger Law enforcement news letters and small Ruger note pad. $450 including shipping from my FFL to Yous. Shipping to 47 states no shipping to ...#Ruger security six serial number 150 grips serial number. Late in the "150-" serial number prefix range, the grip frame of the Security-Six was changed to a "highback" shape. There was also a version called the Service-Six. Some special 3.-inch-barreled guns were offered on a limited basis, and some revolvers were chambered for 9mm Luger. The ...RUGER SERVICE SIX. Description: RUGER SERVICE SIX IN .38 SPECIAL CAL., WITH 4" BARREL. COLOR STAINLESS STEEL. CONDITION 95%. SERIAL NUMBER 157-81893. RUGER MODEL SERVICE SIX IN .38 SPECIAL CALIBER, BRIGHT SHINY BORE, AFTER MARKET RUBBER GRIP EXCELLENT, 95% OVERALL CONDITION, OUR STOCK # …Ruger Security Six variant. Collectability today. With a classic design, ... Ruger lists the serial number range on the older revolvers from 1972 through 1988 on their website for easy ...17,477. Location. Illinois. I've got these grips (pictured on top) on my 6 inch Security Six. They look really big on a snubby though. Think I got them at Numrich a few years back and they were in the $35 range. To me, they're really a good fit and feel on the 6 inch guns. Apr 28, 2020. #9.Learn about the Ruger Security Six series, a popular .357 magnum revolver produced from 1972 to 1988. See how to disassemble, adjust sights and find the elusive Speed Six model.Hi, I have a Security Six, NIB ser # 150-00153, the , Model: Police Service-Six Serial Number: 15192746 Barrel Length: 4 . See all listings by EWGGUNS Print this listing. Cl, Sep 24, 2014 · 274 posts · Joined 2007. #5 · Sep 24, 2, Above information I posted DID come from Ruger's serial number website by the way..... Marl, There was a low-back Security Six that ran into the high 150 serial number range, at which point it changed to the, I just acquired a Security six 357 mag 2 1/2 barrel. I looked up serial for date of manufacture and found ou, Ruger said any factory loaded .357 and +P .38 could be fired for full qualification sessions. The ne, SECURITY-SIX RUGER SECURITY SIX STAINLESS 357 357MAG 4", Manufacturer: Ruger Model: Security Six Serial Number: 160-12133, Henry Repeating Arms H004CM2. Savage Arms 91800. Cricket, 1970. 60-52410. 1971. 60-81278. 1972. The above chart sho, I just came from a local gunshow and fell in love with , Ruger: GP100 (x2), Single Six (x2), Security Six, LCR, Security 9C, SR, Yes, I'm aware of the 2 grip frames, and the serial , Ruger Security Six Serial Number 150 Grips ... #12: , 1970. 60-52410. 1971. 60-81278. 1972. The above chart shows the , Ruger does not necessarily produce firearms in serial number or, 19938 posts · Joined 2006. #2 · Mar 23, 2009. The 150 .