8 Rear, square, SIG SAUER Factory Replacement M-LOK Handguard for M400 TREAD, SIG SAUER P226 9 mm Chrome Phosphate Threaded Barrel, SIG SAUER P320 X-Series Grip Module Assembly, SIG SAUER BBL226357 P226 Barrel 357 SIG SAUER 4.4" Blued, SIG SAUER QD Taper-Lok Flash Hider Mount For SRD762-QD 5/8-24TPI SRD-762-58X24-F, SIG SAUER P320 9 mm Luger Threaded Barrel, SIG SAUER X-Ray3 Pistol Sight Set, No. My latest Sig was a 10inch 516 Gen 2 it has a different BCG and piston rod system, along with some other minor fixes and changes like a CTR Stock and Miad pistol grip and it . 119K subscribers in the SigSauer community. receipt, and we'll cover the cost of return shipping. This advanced operating system reduces carbon fouling, excessive heat and unburned powder in the action, ensuring reliability and function that is unmatched. Caliber: 5.56 NATO. . For a better experience, please enable JavaScript in your browser settings before proceeding. With three attachment points, you can put the sling where it works best for you. User Feedback on SIG Sauer 516. Angstadt Arms Mag Release Glock 19 Gen 5 Recoil Spring . This anonymous data helps us to better understand users' needs and customize the website accordingly. Mil-spec trigger pull-a bit heavy, but it works. Aug 3, 2020. Find conversion kits, stripped uppers, and upper / lower sets to build your firearm around. The P516 is built with forged 7075-T6 aluminum upper and lower receivers with a hard coat anodized finish. Just slap another upper on it a rock on. Dont forget, with the new rules that have just been written even though they are not going to be enforced, YET, you cannot have the barrel shroud on it either because it is a second place to hold on to it which makes it a rifle. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. reason you are not satisfied with your purchase, simply return the item within 30 days of These holes are for attaching the sling, which is included and comes with quick-detach hardware. JavaScript seems to be disabled in your browser. With a suppressor, on the Silencer gas port setting, it gently chucks 55 grain Norma Tactical brass out at 3 O'Clock. |regenC|MC Set || Li Mc miss || || LP Mc miss ||, Antique (Pre-1899) Rifles - Flintlock Misc, Antique (Pre-1899) Rifles - Matchlock/Wheellock Misc, Century Arms International (CAI) - Rifles, Muzzleloading Modern & Replica Rifles (perc), Winchester Rifles - Modern Bolt/Auto/Single, Winchester Rifles - Pre-1899 Bolt/Single Shot, Century Arms International (CAI) - Pistols, Colt Automatic Pistols (.25, .32, & .380 cal), Colt Single Action Revolvers - Modern (22 Cal. I have 3, gen 2 Sig516's and they've been outstanding. 28 reviews for [Parts] 16 in SIG 516 Gen 2 Upper Receiver Assembly $999 BBBB-666 - November 6, 2021 Oh hell no got mine for $450, and it's definitely not worth over $600 Set by the GDPR Cookie Consent plugin, this cookie is used to record the user consent for the cookies in the "Advertisement" category . Intl. Works perfectly! Very well made piston upper. 6 Green Front, No. Sig Sauer Ambi Magazine Catch Assembly for M400/516 Rifles and Lower Receivers Usually Ships in 24 Hours MSRP: $29.95 . Note: Orders Will Be Limited to 1 Per Order. Color: Black. Feb 10, 2022. dadzic. Minuteman. This advanced operating system reduces carbon fouling, excessive heat, and unburned powder in the action, ensuring reliability and function that is unmatched. Vimeo installs this cookie to collect tracking information by setting a unique ID to embed videos to the website. doubleclick.net - browser supports cookies. Accessories WTS Sig 516 Upper. I would guess yes due to gas piston. Note, flash hider is not pinned, this would be for a short barrel rifle or pin on a flash hider to make it 16". But we are talking about Sig Sauer quality, and we are talking about a piston-driven AR, not some cheap no-name direct impingement AR. Sign up with your email to be notified when this product is back in stock! These cookies will be stored in your browser only with your consent. The SIG Sauer SIG516 is a semi-automatic rifle manufactured by SIG Sauer. Toll-Free: +1-800-504-5897 Live Chat Help Center Check Order Status. Beautiful and highest quality in my arsenal. Wow, I think mine was $399 new. The Fora platform includes forum software by XenForo. Later on, Sig came out with new version of the 516, which became known as Gen 2. SIG SAUER 522 Commando .22LR. MagGuts +2 Magazine Conversion For Sig Sauer P365 X/XL 9MM 12rd Magazines Usually Ships in 24 Hours MSRP: . Pistols or rifles? I like it. The SIG516 Patrol FDE in Flat Dark Earth with a matching FDE Cerakote finish on both the upper and lower receivers and aluminum handguard. This advanced operating system reduces carbon fouling, excessive heat and unburned powder in the action, ensuring reliability and function that is unmatched. A cleaner, cooler gun will run better than a hot dirty gun will, and thats a fact. The sig 516 is a piston gun that uses many proprietary parts. Quality upper at a great price. Description: Sig Sauer 516 Gen2 14.5" Barrel Upper Receiver Assembly, Semi-Auto. These quality uppers available in .223 Rem, 5.56x45mm, and .300 Blackout provides you with proven Sig Sauer performance and are reliable solutions for your next build or upgrade project. If one showed up again, Id grab it. ASC 30 Round 5.56 Magazine Adams Arms P1 16 Upper ATI Schmeisser S60 AR-15 .22 . Enter the SIG 516 Patrol. I honestly bought this after watching that video sig put out showing what this upper is capable of. Need a full auto bcg though so I can put the rare breed trigger in. A forum community dedicated to SIG Sauer Pistols and SIG Sauer Rifles owners and enthusiasts. I'm not the biggest fan of Optics Planet but they have complete uppers for $539.99. Bolt Carrier Assembly for SIG M400 Upper Receivers, UPPER RECEIVER ASSY, MPX, SEMI, DUST COVER, EJECTOR, BARREL CLAMP, HARDWARE, MCX VIRTUS UPPER ASSEMBLY - 11.5" 5.56 NATO, MCX VIRTUS UPPER ASSEMBLY - 16" 5.56 NATO, UPPER RECEIVER ASSY, MCX, GEN 2, SEMI, GRY, UPPER RECEIVER ASSY, MCX, GEN 2, SEMI, BLK. Sig Sauer Sig516 Gen 2 5.56 Upper Receiver Assembly Complete, Ammo Deals: ZSR Ammunition 9mm 124 Grain FMJ 1000 Rounds $259.99 FREE S&H, AR-15 Barrel Length Does It Even Matter? Since JavaScript is disabled, you will not be able to properly navigate, add items to your cart, or place an order. Ours is of the second generation (we'll discuss the differences of the "Gen 2" further down the column). This is my review of the SIG Model 516 Gen 2 Patrol. What bullshit. Sig Sauer 522 Commando .22LR, 16" with Inert Training Suppressor #R522-16B-C-TT New in factory packaging. How much is my Armasight gen2 N15 SD DTNVG worth ? The 416's piston is self-regulating in theory . The used value of a SIG SAUER SIG 516 rifle has fallen ($42.60) dollars over the past 12 months to a price of $1,116.17 . Angstadt Arms Mag Release Glock 19 Gen 5 Recoil Spring . Enter the email address you signed up with and we'll email you a reset link. I wish I could say all my groups with the Buffalo Bore Sniper load were always tight, but sad to say, I tired over several shooting sessions and I was pulling some of my shoots. If memory serves the MSRP for a Gen 2 Sig 516 is $1895 , streetprice (until recently discontinued for civilian sales.. still do mil sales) usually 1400-1500. A quick rundown on the Sig 516 Gen 2 model is in order: Inside the chamber of the 516 is a spring-loaded tensioning pin, which keeps pressure on the extractor when the bolt is closed. Code: SD9-UFH-SSUA516G210-UA516G2-14-DEMO. By clicking Accept All, you consent to the use of ALL the cookies. The Black Hills 55 grain SP load gave me groups right around 2.5 inches. The pistol grip was different. I also sent out my BCG to UCT coatings to have it coated in nickel boron for the added benefit, but it takes two months. It prefers win as I remember. VersaCarry Compound Gen 2 Series Leather / Kydex IWB Holster - Distressed Brown - Right Hand . About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features Press Copyright Contact us Creators . And for QC and functionality their all great and run flawlessly on par with my 2 HKMR556 one has a 10in 416 upper and a MR762. An adjustable gas valve allows operators to increase the flow of gas when using lower pressure ammunition or when adverse conditions require additional energy. Might be in stock after its illegal period. Purchase your new SIG SAUER Gen 2 Upper Receiver Assembly Complete, SIG Sauer SIG 516/AR-15, 11.5 in, Black, UA516G2-11 from OpticsPlanet today and you will appreciate the easy checkout process, fantastic customer service, Free Shipping policy and information on easily tracking your order. brand new in wrapper never mounted , or cleaned, still has grease on it . Right out of the box it worked fine with and without a suppressor. Sure, depending on what your definition of complications is. Product #: 1564180. Guns Rifles Sig Sauer Sigarms Rifles Sig Sauer SIG Gen Upper Receiver . Only show this user . The SIG 516 Patrol is the first model available for wide distribution and weighs 7.3 pounds and has an overall length of 39.5 inches and 36 inches with stock collapsed. MPN: UA516G2-14. Email: sales@opticsplanet.com, 9AM-7PM CT Mon-Fri OutdoorHub // TheFirearmBlog // AllOutdoor // ActionHub // AgDaily, AllOutdoor All Rights Reserved Carbon Media Group Outdoors, article for AllOutdoor.com on the Sig Sauer Model 516, Piston-driven operating system instead of gas system found on most ARs, Mil-spec trigger pulla bit heavy, but it works, Includes one MagPul 30-round PMag magazine (the best, in my humble opinion), Nitride-coated forged aluminum upper and lower, Includes nice flip-up front and rear sights, Quad rail forend with ladder-style covers. Nice! I like it. Full retail at that time was $1,719.00. One of my 10 inch, 516's has approximately 13k rounds through it and runs and looks almost new and with very little visible wear to the components. The cookie is used to store the user consent for the cookies in the category "Analytics". A standard 5.56mm NATO chrome-lined chamber and bore ensure reliable function in any environment. Thank you, Sig. Brand new, still in the box Sig 516 Gen 2 gas piston upper, 14.5 in barrel. I'll buy another when it becomes available. Add to My Saved Parts. Whereas your standard run-of-the-mill AR-15 is a direct impingement-operated firearm, the SIG 516 instead utilizes a short-stroke piston. MGW carries a wide variety of Sig Sauer upper receivers for the M400, SIG516, & AR-15 platform of rifles and pistols. Google DoubleClick IDE cookies are used to store information about how the user uses the website to present them with relevant ads and according to the user profile. Bolt Carrier Assembly for SIG M400 Upper Receivers . It is equipped with a chrome lined M4 contoured style 16 inch barrel surrounded by a four sided . [Mar 5, 2023] Spring ARPC Gun Show (Albany, OR), Shooting on Larch Mountain near Vancouver, Wa, THE SPRING RICKREALL GUN SHOW MARCH 11TH & 12TH, WTB 12 Free Float Quad Rail (Larue, Daniel Defense, Etc). Runs flawlessly and ridiculously easy to clean. Barrels feature an A2 flash suppressor and are threaded 1/2"x28 TPI, allowing the SIG516 to adapt to a number of aftermarket accessories and suppressor mounts. The new value of a SIG SAUER SIG 516 rifle has fallen $0.00 dollars over the past 12 months to a price of $1,215.21 . The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". It usually does mean the BCG as well. Selling a very lightly used complete AR pistol setup - has about 200 rounds through the upper w/zero issues. Its a very good value with Sig quality. During my testing, I left the gas valve on the #1 position and never changed it. Both have competed against each other for contracts and done very well. Analytical cookies are used to understand how visitors interact with the website. Price $549.99. Geoff, I ran 1000 rounds through a gas mitigated AR 15 once just to see how soon it would fail from not cleaning it. I even like em more than my SCAR's 16&17. Sig Sauer SIG516 Gen2 Upper Receiver, 10.5 . 8 Rear, square, SIG SAUER P320 X Compact/Subcompact 9mm Threaded Barrel, No LCI, 4.3in, SIG SAUER P320 Flat Skeletonized Enhanced Stainless Steel Trigger, SIG SAUER 9 mm Barrel For P938 Compact Tb, SIG SAUER P320/P250 9 mm Luger Threaded Barrel, SIG SAUER Grip Module for P320 X5, 9/40/357, Full Size, SIG SAUER P320 X-Carry Grip Module for 9 mm, .40 Auto, .357SIG, SIG SAUER BBL22640 P226 Barrel 40 Smith & Wesson 4.4" Blued, SIG SAUER X-Ray3 Pistol Sight Set, No. Oh, Oh, Oh, watch out, the barrel isnt 16 inches long. Get 10% Off - Subscribe to Our Email List, Toll-Free: +1-800-504-5897 The first generation of the SIG 516 was introduced in 2010. The demand of new SIG SAUER SIG 516 rifle's has risen 2 units over the past 12 months. Some of the data that are collected include the number of visitors, their source, and the pages they visit anonymously. If for any I dont have one of each to break down and compare. Shop SIG SAUER Sig516 Gen 2 Upper Receiver Assembly Complete | 5 Star Rating on 6 Reviews for SIG SAUER Sig516 Gen 2 Upper . Please enable Javascript and refresh the page for a safe, secure, and complete shopping experience at Midwest Gun Works. Eligible for FREE shipping *. Includes: - Sig 516 14.5" Gen 2 Piston Upper - Palmetto State Armory Complete Lower Receiver w/Stock & Buffer Assembly - ready for brace. The shooting experience itself was downright pleasant. You're welcome MWGW. I have to think on it given 6-8. The Winchester white box stuff was giving me 3-inch groups if I held tight. Sig Sauer Sig516 Gen 2 Upper Receiver Assembly. We want to ensure that making a return is as easy and hassle-free as possible! : +1-847-513-6201 contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses. Accurate, reliable, HEFTY. Click to expand. Great product, solid, great lookin, good pricing from MGW!!! Thanks. Love it! Features a free-floating, aluminum, M1913 quad rail and 1:7 right-hand twist bore configuration. Knowing how OpticsPlanet operates it will change to shipping in 12 weeks then no date them canceled , great price for a short stoke piston but will you receive one , hard to say, but it's 3 or 4 hundred bucks less than the last one I bought from Sig . Ethan, Fast ship and great deal from Ootics planet. complete sig 516 gen2 10.5 5.56 piston upper in box has buffer and spring. Old school quad rail great for accessories. Find several colors to fit the aesthetics of your firearm and get your rifle or pistol firing reliably shot after shot. The SIG516 14" upper allow operators to upgrade their current AR-15/M16/M4-type rifles from direct gas impingement systems to the SIG SAUER advanced short-stroke pushrod system. JavaScript is disabled. GI#: 102201249. I later learned that the answer to that is a resounding No.. Some piston-driven ARs suffer from excessive wear in the buffer tube from the bolt carrier tilting. $599.99. sales@aimsurplus.com. The 10.5 offer mil-spec M4 profile barrels. MSRP: $1155.00. I never had any functioning problems, and all brass was thrown into a nice little pile. Amend2 AR15/M4 Mod.2 5.56mm/223 Rem. sig 516 gen 2 10 upper. Specifications for Sig Sauer Sig516 Gen 2 Upper Receiver Assembly Complete: A standard 5.56mm NATO chrome-lined chamber and bore ensure reliable function in any environment. Add to Cart. USA -(Ammoland.com)- Optics Planet has the Sig Sauer Sig516 Gen 2 5.56 Upper Receiver Assembly Complete in 5.56 NATO with the ATLAS R-ONE Handguard for $539.99. by The complete HK416 upper was $1,400 back in 2016 and is still about the same now. You also have the option to opt-out of these cookies. My Gen 1 model shot just great, as does this Gen 2. Questions & 8 Answers. I need to check mine.. "Sig's 516 uppers have a semi-auto only bolt carrier group unless the part number contains MGA. However, you may not get the greatest expansion and stabilization. My 516 lower is already SBR'ed so it would be great if this one listed was not pinned. Mine charged $50 and I purchased the Warcomp from his shop at the same time for $150. Original hang tags still on it. Try that with any impingement system AR, and you will burn your hand. Action Spring, New Factory Original. Oh no, Mr. Bill. JavaScript is not enabled on your browser - our site will not work for you as intended. While there was nothing wrong with the old 516 gas system, this one is much better in my humble opinion. Manufacturer: SIG SAUER (SIGARMS) Model: 516. Even the M4 is mostly gone from these units having been replaced by HK416's. The SIG516 will have a hard time replacing the HK416 but that will depend on many factors. This cookie, set by YouTube, registers a unique ID to store data on what videos from YouTube the user has seen. Weight: 8.3oz. Save Compare. SIG SAUER MCX/MPX Collapsible Stock (45) $270.85 (Save 12%) $239.49 Best Rated. The Sig Sauer Sig516 Gen 2 5.56 Upper Receiver Assembly Complete generally retails for $1170.00!? We believe the 2nd Amendment is best defended through grass-roots organization, education, and advocacy centered around individual gun owners. YouTube sets this cookie to store the video preferences of the user using embedded YouTube video. It draws quite the attention too. Sig included a really nice sling with the Gen 2 model. Other 516 Gen 2's are QPC (Nitride) barrel. The 516 is a very capable rifle, but HK has a manufacturing consistency and materials quality that's near unmatched. This is an Alexa Analytics cookie that is used to track user behavior. Restricted in some areas UPPER RECEIVER ASSY, MPX, SEMI, DUST COVER, EJECTOR, BARREL CLAMP, HARDWARE . The SIG516 14" upper allow operators to upgrade their current AR-15/M16/M4 . If you . HK and LWRC will be the other two in this list. Well at 1000 rounds I figured that was enough and I cleaned it anyway. Snagged around this price about 2 years ago direct from Sig. It is our mission to encourage, organize, and support these efforts throughout Oregon, Washington, Idaho, Montana, and Wyoming. I also like the fact that you dont have to thread this piston in. The cookie is set by crwdcntrl.net to collect statistical data such as the number of visits, average time spent on site, and what pages have been loaded, for targeted advertising. I wondered whether Sig had just made some cosmetic changes to the gun. Americas oldest Second Amendment News outlet. The Sig Sauer 522 Commando rifle shares the look and feel of the Sig Sauer 552 .Click for more info. These components must be installed to ensure proper function of the SIG516 upper assembly on your AR-type lower receiver. 6 Green Front, No. Roll over image to zoom in. Sig Sauer 516 Gen2 14.5" Barrel Upper Receiver Assembly, Semi-Auto. So I have purchased a handful of these uppers once I got away from DI ARs I have dedicated one to putting it through hello . Ugh, I didn't notice the 6-8 weeks, which means they don't have them in stock, and they might never ship. January 27, 2022, by He is very happy with the upper. Sig Sauer P320 45 ACP 10 Rou . There is no box/case as I bought this gun as is you see it. Our site uses JavaScript for a smooth and modern shopping experience; we protect your data and never sell it to 3rd parties. SIG SAUER Gen 2 Upper Receiver Assembly Complete, SIG Sauer SIG 516/AR-15, 11.5 in, Black, UA516G2-11 has been discontinued by SIG SAUER and is no longer available. A standard 5.56mm NATO chrome-lined chamber and bore ensure reliable function in any environment. Our site uses JavaScript for a smooth and modern shopping experience; we protect your data and never sell it to 3rd parties. In the front and rear of the quad rails on either the 9 oclock or 6 oclock positions, you will find two holes, and in the lower receiver towards the rear, you will also find a hole on either side of the lower. It's definitely not pinned and welded, the option is SBR, pin and weld or put on a pistol brace. 9AM-5PM CT Sat-Sun (Chat & Email Only), SIG SAUER Gen 2 Upper Receiver Assembly Complete, SIG Sauer SIG 516/AR-15, 11.5 in, Black, UA516G2-11. It is an AR-15 style rifle chambered in 5.5645mm NATO. recommend to purchase, also would purchase again hands down lol. Sig Sauer 516 Gen2 14.5" Barrel Upper Receiver Assembly, Semi-Auto, Sig Sauer 516 Gen2 16" Barrel Upper Receiver Assembly, Keymod, Semi-Auto, Sig Sauer M400 .300 Blackout 9" Barrel Upper Receiver Assembly, Black, Sig Sauer M400 Stripped Receiver Set, Black, Sig Sauer M400 Stripped Receiver Set, FDE, Sig Sauer M400 Stripped Receiver Set, OD Green, Sig Sauer 516 Gen2 10" Barrel Upper Receiver Assembly, Semi-Auto, Sig Sauer MCX Upper 16" Barrel AR Conversion Kit, Tapered Lug, MLOK, Sig Sauer MCX Upper 9" Barrel AR Conversion Kit, 300 Blackout, Tapered Lug, MLOK, Sig Sauer MCX Upper 11.5" Barrel AR Conversion Kit, 5.56 NATO, Tapered Lug, MLOK, Sig Sauer MCX Rattler Upper 300 Blackout AR Conversion, 5.5" Barrel, Sig Sauer MCX Upper Receiver Assembly, Gen2, Semi Auto, Sig Sauer MCX Rattler Upper 5.56 NATO Conversion Kit, 5.5" Barrel, 1101 Mason Circle Drive Pevely, MO 63070 Mon-Fri 8:00am - 4:00pm CST, 2023 Midwest Gun Works, Inc. - All Rights Reserved. It's in my cart. YSC cookie is set by Youtube and is used to track the views of embedded videos on Youtube pages. I recently did an article for AllOutdoor.com on the Sig Sauer Model 516 piston-driven AR-style rifle, and it was a great little gun. . Model Name: Sig Sauer Sig516 Gen 2 Upper Receiver. You might have to pay a tax and get special permission to own it in a few months or become a felon if you dont register it. Estimated to ship in 6-8 weeksbut it's 3 or 4 hundred bucks less than the last one I bought from Sig . Thus far, I have run slightly more than 400 rounds of various 223 Remington ammo through this gun without cleaning it, and Ive had zero problems. Im going to add some kind of red dot sight and it will be ready to go, no matter what comes my way. I have a 516 gen 2 patrol carbine. Sig Sauer Sig516 Gen 2 Upper Receiver Assembly allows operators to upgrade their current AR-15/M16/M4-type rifles from direct gas impingement systems to the SIG SAUER advanced short-stroke pushrod system. Shipping is $35 via UPS ground, insured to the lower 48 states. I just ordered it because I had a coupon, and it came out to $550 to my door. This is always a good-shooting load for me, and it is quite often the most accurate load. I honestly expected better. They arent fancy, but I dont believe in safe queens so that isnt an issue. Installing this conversion kit on a non SBR (Short Barrel Rifle) will require you to register the rifle per NFA regulations. The cookie is used to store the user consent for the cookies in the category "Other. January 31, 2022, SIG SAUER Sig516 Gen 2 Upper Receiver Assembly Complete, , Code: SD9-UFH-SSUA516G210-UA516G2-14-DEMO, SIG SAUER Gen 2 Upper Receiver Assembly Complete, SIG Sauer SIG 516/AR-15, 14.5 in, Black, UA516G2-14, SIG SAUER P320 AXG Carry Medium Grip Modules, OpticsPlanet Exclusive SIG SAUER Grip Module Assembly for P365XL, SIG SAUER P320 9 mm 5.5in Pistol Barrels - Threaded, SIG SAUER Sig MCX Upper Receiver Assemebly, M-LOK, SIG SAUER X-Ray3 Pistol Sight Set, No. The name "SIG 516" is likely just a riff on HK416. The SIG516 14" upper allow operators to upgrade their current AR-15/M16/M4-type rifles from direct gas impingement systems to the SIG SAUER advanced short-stroke pushrod system. Benjamin, Shop now and get Free Value Shipping on most orders over $49 to the Add to Cart. Iotv for sale and assesories, plate level IV, I agree to the classified rules and terms of service. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Unfired. reason you are not satisfied with your purchase, simply return the item within 30 days of The pattern element in the name contains the unique identity number of the account or website it relates to. The nice thing with an adjustable gas piston system is that if you have weak ammo or ammo that is too hot, or if the gun gets dirty, you can simply adjust the gas system so the gun will run better under those conditions. From $1,857.07. You can build an AR15 for less than $1000, a good one, but this is a good deal on a complete Sig Sauer SIG516 G2 Patrol Rifle and we'd take this over a Frankenstein's monster any day. I created a post on /gundeals for this upper one of the last times MWGW had them in stock and was amazed they didn't sell out in hours. About Us Policies Reviews How To. The store will not work correctly in the case when cookies are disabled. We also use third-party cookies that help us analyze and understand how you use this website. the Sig 516 Gen 2 with a nitrided barrel is the best factory AR-15 you can buy, but one with a chrome-lined barrel is just another AR-15 that is way over-priced. M1913 Picatinny flat top upper; 7075-T6 Aircraft grade aluminum . When I first heard about the Gen 2 model, I looked at it on the Sig website and couldnt tell much difference from the original 516 other than some of the furniture being different. [1] Introduced in 2010, the SIG516 was discontinued as of 2019.