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Tag Archives: m4a1 carbine

JP LRP-07 Long Range Precision Rifle 7.62mm with Left-Side Charging System

By David Crane defrev at gmail dot com All photographic images contained in this article were taken by DefenseReview.com, and are the exclusive property of DefenseReview.com. DefenseReview.com owns the copyright on these photos. All photos were shot with an Olympus Stylus 790 SW 7.1-megapixel digital camera, which is advertised as "shock + waterproof". March 19, 2009 John Paul, owner of ... Read More »

M4/M4A1 Carbine Reliability Issues Part II: Diagnosing the root cause.

By Michael Pannone This article is the follow-up to the author’s first article on the subject, titled "M4/M4A1 Carbine Reliability Issues: Why They Occur, and Why They’re Our Fault!". March 15, 2009 If your Explorer gets a flat does that mean "Fords are unreliable"? If you put bad fuel in your Tundra does that mean "Toyotas run crappy"? Stay with ... Read More »

Insight Technology/Insight Tech-Gear CNVD-T (Clip-On Thermal Sight) Weapon Sight

By David Crane defrev at gmail dot com All photographic images contained in this article were taken by either Chen Lee a.k.a. "SMGLee" or DefenseReview.com, and are the exclusive property of Chen Lee and DefenseReview.com, respectively. Chen Lee and DefenseReview.com own the respective copyrights on these photos. DefenseReview.com shot its photos with an Olympus Stylus 790 SW 7.1-megapixel digital camera, ... Read More »

MagPul Back-Up Sight (MBUS): Polymer Flip-Up Sight/BUIS System

By David Crane defrev at gmail.com All photographic images contained in this article were taken by DefenseReview.com, and are the exclusive property of DefenseReview.com. DefenseReview.com owns the copyright on these photos. All photos were shot with an Olympus Stylus 790 SW 7.1-megapixel digital camera, which is advertised as "shock + waterproof". February 25, 2009 Updated on 3/13/09 MagPul Industries had ... Read More »

LMT MRP Piston/Op-Rod System vs. HK416: 2,000-Round Head-to-Head Test

By Chen Lee a.k.a. “SMGLee” All photographic images contained in this article were taken by Chen Lee, and are the exclusive property of Chen Lee. Chen Lee owns the copyright on these photos. February 16, 2009 Following the success of British SA80A2 project that HK did for British MoD, HK carried that momentum to the AR-15/M16 platform as the next ... Read More »

PWS Diablo Long-Stroke Gas Piston/Op-Rod-Driven 5.56mm AR-15 SBR Upper Receiver

By David Crane defrev at gmail dot com All photographic images contained in this article were taken by DefenseReview.com, and are the exclusive property of DefenseReview.com. DefenseReview.com owns the copyright on these photos. All photos were shot with an Olympus Stylus 790 SW 7.1-megapixel digital camera, which is advertised as "shock + waterproof". This article last updated on February 7, ... Read More »

MagPul Dynamics Single-Point (One-Point)/Two-Point Tactical Carbine/Rifle Sling

By David Crane defrev at gmail.com All photographic images contained in this article were taken by DefenseReview.com, and are the exclusive property of DefenseReview.com. DefenseReview.com owns the copyright on these photos. All photos were shot with an Olympus Stylus 790 SW 7.1-megapixel digital camera, which is advertised as "shock + waterproof". January 25, 2009 DefenseReview is always interested in new ... Read More »

Lancer Systems L5 Translucent Polymer 30-Round Magazine for Tactical ARs

By David Crane defrev at gmail dot com December 30, 2008 As long was we’re on an M4/M4A1 Carbine (and semi-auto tactical AR-15 carbine) and 4179 STANAG box magazine kick, we might as well cover the Lancer Systems L5 Translucent Magazine (30-round 5.56mm NATO polymer magazine) in a little bit more detail, particularly since it’s already been mentioned in previous ... Read More »

Fusil-USA Spring-Steel 30-round AR-15/M16 Magazine: Best Steel AR Mag?

By David Crane defrev at gmail dot com December 29, 2008 If you’re looking for an alternative to standard USGI 30-round AR-15/M16 magazines, but you’d prefer to stick with metal mags instead of going polymer with the MagPul PMAG, TangoDown ARC mag, or Lancer Systems L5 Translucent Polymer Mag for your tactical AR-15 carbine, Fusil-USA, LLC has just the thing ... Read More »

AR-15/M4/M4A1 Carbine Reliability Issues: Why They Occur, and Why They’re Our Fault!

Why M4's have reliability issues…and why it's our fault! By Michael Pannone December 24, 2008 I fired 15,000 rounds through a semi-automatic M4/M4A1-type direct-gas-impingement (DGI) carbine in 31 weeks without a single malfunction attributable to anything except bad ammunition or bad magazines, with a grand total of 9 malfunctions. The least number of rounds fired between cleanings was 960 rounds, ... Read More »