Search Results for: m4 gas rings

Strike Industries SI AR-15/M4/M16 Tactical Grip PRO Enhanced (SI PTG-PRO-E) and CQB Pistol Grip Patriot Series Tactical AR-15 Carbine/SBR (Short Barreled Rifle) Pistol Grips

By David Crane david (at) defensereview (dot) com The following article is property of DefenseReview.com (DR) and is copyrighted material. If you are reading this article on another website other than DefenseReview.com, please email us the website address/URL (where the unauthorized DR article reprint is located) at defrev (at) gmail (dot) com. Thank you. Image(s) Credit: Strike Industries (SI) April …

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Adams Arms COR (Competition Optic Ready) 16.5″ Ultra Lite AR-15 Upper Receiver/Lightweight Tactical Gas Piston AR Carbine with HiperFire HiperTouch 24C Match Trigger and Diamondhead D-45 (Swing Sights) Integrated Sighting System Flip-Up BUIS for Tactical 3-Gun Competition Shooting (Video!)

By David Crane david (at) defensereview (dot) com All photo and video content contained in this article was shot by DefenseReview.com, and is copyrighted. DefenseReview.com owns the copyright on all photo and video content. All DR photos and videos were shot with a Sony Cyber-shot RX100 (DSC-RX100/B) Digital Camera with 20.2 MP (20.2-megapixel) still camera and 1080p HD video camera capability. The …

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ROSCH Works (RW) SL1 Sight Light Integrated Weapon Light/Front Sight BUIS: Making the Most of Your AR-15/M4/M4A1 Carbine/SBR’s Tactical Real Estate

By Mike Pannone The following article is property of DefenseReview.com (DR) and is copyrighted material. If you are reading this article on another website other than DefenseReview.com, please email us the website address/URL (where the unauthorized DR article reprint is located) at defrev (at) gmail (dot) com. Thank you. Photo(s) Credit: Mike Pannone October 5, 2013 In the quest to …

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Tactical AR-15/M4/M4A1 Carbine Aftermarket Accessories for Military Combat Applications: The Competition-to-Combat Crossover, Part 1

By Jeff Gurwitch All photos and video clips contained in this article were provided by Jeff Gurwitch for DefenseReview.com, and are copyrighted. Jeff Gurwitch and DefenseReview.com own the copyright on these photos and video clips. The following article is property of DefenseReview.com (DR) and Jeff Gurwitch and is copyrighted material. If you are reading this article on another website other than …

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Adams Arms (AA) Evo Ultralite Ultra-Light/Super-Lightweight Gas Piston/Op-Rod AR Carbine Upper Receiver Assemblies (Mid-Length and Carbine-Length) for 3-Gun Competition and Combat: Super-Accurate and Super-Fast!

By Jeff Gurwitch July 25, 2011 When I first saw that Adams Arms (AA) was going to offer a super-lightweight upper with a “pencil thin” barrel, I was very skeptical. I could not help but think back to my time in basic training many years ago, where I was issued a M16A1. Thin profile barrels just seemed flimsy and out …

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Adcor Defense BEAR Gas Piston Rifle (GPR): Gas Piston/Op-Rod-Driven Tactical AR Rifle/Carbine/SBR with Forward Charging Handle and Free-Float Barrel (Video)

By David Crane defrev (at) gmail (dot) com April 21, 2011 Updated on 4/21/11. A company called Adcor Defense is manufacturing and marketing a new gas piston/op-rod (operating rod) tactical AR (AR-15) rifle/carbine/SBR (Short Barreled Rifle) called the B.E.A.R. Gas Piston Rifle (GPR). “B.E.A.R.” is an acronym that stands for “Brown Enhanced Automatic Rifle”, since the weapon was designed and …

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The Big M4 Myth: ‘Fouling caused by the direct impingement gas system makes the M4/M4A1 Carbine unreliable.’

By Mike Pannone Info@CTT-Solutions.com All photos contained in this article were taken by Mike Pannone for DefenseReview.com, and are copyrighted. Mike Pannone and DefenseReview.com own the copyright on these photos. March 19, 2010 Here’s my question for those that subscribe to the direct impingement fouling concept: I fired 2400 rounds of M193 through a 14.5” M4-type upper receiver from Bravo …

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Video: Colt M4/M4A1 Carbine Config Sand Test with FailZero “AR-15 Upgrade Kit” Bolt Carrier Group (BCG) and Hammer Upgrade Kit Installed

By David Crane defrev (at) gmail (dot) com November 10, 2009 Back in April (2009), DefenseReview has published a short “heads-up”-style article on the FailZero AR-15 Basic Kit, which is a bolt carrier group (BCG) and hammer upgrade kit with a proprietary and patented self-lubricitous/self-lubricating nickel-boron (Ni-B) coating that the company calls EXO Technology. In the video below, DefenseReview.com contributor …

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