AR Gas Systems

Tame that Gas! Improving the Direct Gas Impingement (DGI) Tactical AR-15 Rifle/Carbine at Relatively Low Cost

By Jeff Gurwitch July 7, 2020 The M4//M4A1/M16/AR-15 has proven to be one hell of a rifle/carbine. I’ve carried it with total confidence, and have employed it pretty successfully during my many tours overseas with U.S. Army Special Forces. The inline design and low height above bore still put it ahead of just about every military rifle that’s come out …

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DefenseReview (DR) Presents: “The Build” Episode 1: “Franken Race Rifle”

By Jeff Gurwitch September 12, 2019 Last updated on 9/12/19. In DefenseReview’s (DR) “The Build” Episode 1: “Franken Race Rifle”, retired Special Forces Soldier and DR writer/contributor Jeff Gurwitch, discusses building a competition-ready AR-15, as well as the benefits of hydraulic buffers and the FERFRANS Delayed Sear Activation System (DSAS)/Rate Reduction System (RRS) bolt carrier group (BCG) in semi-auto and …

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Battle Arms Development (BAD) BATTLEARMS OIP (Ounces Is Pounds) 002 5.56mm Ultra Lightweight Rifle: Limited-Edition Gen-2 Ultra-Lightweight, Skeletonized Tactical AR-15 Carbine with Titanium Accessories! (Video!)

By David Crane david (at) defensereview (dot) com July 5, 2019 Last updated on 7/14/19. The good folks at Battle Arms Development (BAD) have a very interesting limited-edition (100 units) ultra-lightweight, skeletonized 5.56mm NATO (5.56x45mm NATO) tactical AR (AR-15) carbine called the Battle Arms Development BAD OIP (Ounces is Pounds) GEN-2 aka BATTLEARMS OIP 002 Ultra Lightweight Rifle Gen2, and …

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Barnes Precision Machine BPM Accu-Set Adjustable Gas System for Competition and Tactical AR-15 Carbines! (Range Video!)

By Jeff Gurwitch December 18, 2018 To be honest, I used to not really have much interest in adjustable gas blocks for DI (Direct Impingement) AR-15s, partly because I’ve been a piston AR guy forever (and almost all piston guns have adjustable gas systems, anyways). But the main reason for this is that the majority of adjustable gas blocks rely …

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