By J.B. (Federal LEO) February 16, 2011 I recently got my hands on an Adams Arms 5.56 Tactical Elite PDW 5.56x45mm NATO/.223 Rem. gas piston/op-rod (operating rod) AR (AR-15) SBR (Short Barreled Rifle) upper receiver for one of my Sabre Defence AR carbine/SBR lowers. I have been trying to figure out which upper I was going to buy for my …

By David Crane defrev (at) gmail (dot) com February 8, 2011 Updated on 1/12/11. About a week ago, on January 31, 2011, the U.S. Army issued a Draft Request For Proposal (RFP) W15QKN-11-R-F003 for an “Individual Carbine” to supposedly replace the Colt M4/M4A1 Carbine, a direct-gas-impingement (DGI) AR-15 carbine configured to U.S. military specifications. Of course, the Army looking for …

By David Crane defrev (at) gmail (dot) com All photos contained in this article were taken by either Higher Capacity, LLC or DefenseReview.com (DR), and are copyrighted. Higher Capacity and DefenseReview.com own the copyright on their respective photos. DefenseReview.com’s photos were shot with a Canon PowerShot S90 10-megapixel digital camera (still camera with video capability). January 6, 2011 DefenseReview (DR) …

By Jeff Gurwitch October 28 2010 Updated on 10/29/10 I was first introduced to the Adams Arms gas piston/op-rod (operating rod) system by fellow soldier Kirk Broyles while we were both competing at the 2009 Blue Ridge 3-Gun Championship. Kirk, shooting for Adams Arms, showed me his system and said he would set me up with Jim Granger of Adams …

By David Crane defrev (at) gmail (dot) com All photos contained in this article were taken by David Crane of DefenseReview.com (DR), and are copyrighted. DefenseReview.com owns the copyright on these photos. The photos were shot with a Canon PowerShot S90 10-megapixel digital camera (still camera with video capability). September 29, 2010 Our friend Eric Graves at Soldier Systems has …

By David Crane defrev (at) gmail (dot) com May 23 2010 On May 18, 2010, The Firearm Blog reported on yet another company developing yet another gas piston/op-rod AR (AR-15) rifle/carbine/SBR (Short Barreled Rifle) platform. The company is Holland Automatic Rifles (HAR). The piston/op-rod (operating rod) system is a tri-vent/progressive-vent, vectored-exhaust, recoil-attenuating/mitigating system that, according to “John” at HAR, requires …

By David Crane defrev (at) gmail (dot) com All photos contained in this article were taken by DefenseReview.com, and are copyrighted. DefenseReview.com owns the copyright on these photos. The photos were shot with a Canon PowerShot S90 10-megapixel digital camera (still camera with video capability). April 18, 2010 While DefenseReview was at the Remington Defense / Remington Military Products Division …

PRESS RELEASE For Immediate Release For Information: Holden Kriss W-772.872.7142 C-772.633.3379 HKriss@uctcoatings.com FAILZERO®, EXO TECHNOLOGY™ & PARTNERS “The World’s First Greaseless Tactical Upgrades” SEE us at BOOTH # 8206 at the SHOT SHOW Stuart, Florida — UCT Arms, LLC. is proud to announce its partners at the 2010 SHOT Show. These innovative companies have adopted use of our coating technology, …

By David Crane defrev (at) gmail (dot) com August 26, 2009 Back on June 7, 2009, DefenseReview published a heads-up piece on the new Ruger SR-556 gas piston/op-rod AR-15 tactical carbine. In that piece I wrote this: “One of the things were going to investigate is whether or not the SR556 is completely debugged, or whether it has the normal/usual …

By David Crane defrev (at) gmail (dot) com Photo Credits: Sturm Ruger & Co., Inc. June 7, 2009 Updated on 6/16/09 Ever since the late