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, …

by David Crane defrev at gmail dot com All photographic images contained in this article were taken by DefenseReview.com at SHOT Show 2008, and they are the exclusive property of DefenseReview.com. DefenseReview.com owns the copyright on these photos. All photos were shot with a 7.2-megapixel Sony Cyber-shot digital camera (Model #: DSC-P150). April 20, 2008 While we’re discussing Vltor Weapon …

by David Crane defrev at gmail.com November 21, 2007 FERFRANS Specialties, manufacturer of the select-fire FERFRANS SOAR series AR-platform 5.56mm NATO/.223 Rem. weapons and new Fast Acquisition Sight (FAS) combat optic, is developing a semi-drop-in gas-piston/op-rod system for AR-15/M16-variant carbines and subcarbines/SBRs (Short-Barreled Rifles). In fact, the company has sent us photos of a prototype 6" test weapon (displayed below) …

By David Crane defrev@gmail.com April 8, 2007 Yesterday, I had the distinct pleasure of doing some advanced pistol training with (i.e. receiving some professional pistol instruction from) my friend Taran Butler. Taran is one of the best professional shooters (competitive shooters) in the world, and currently the number 1 (i.e. the best) 3-Gun Tactical shooter in the world. In the …

by David Crane defrev at gmail.com All photographic images contained in this article were taken by DefenseReview.com, and they are the exclusive property of DefenseReview.com. DefenseReview.com owns the copyright on these photos. All photos were shot with a 7.2-megapixel Sony Cyber-shot digital camera (Model #: DSC-P150). March 24, 2007 Back in late October, 2006, DefenseReview published a short heads-up-style piece …

by David Crane david at defensereview.com Small arms designer/developer J.D. Jones of SSK Industries has developed what may just prove to be a superior solution to the 6.8x43mm SPC (a.k.a. 6.8 SPC) and/or 6.5 Grendel (6.5x39mm) cartidges as a replacement for the 5.56x45mm NATO cartridge for U.S. military general infantry and Special Operations (USSOCOM) use. Mr. Jones is calling it …

by David Crane defrev@gmail.com The hypertext link supplied for downloading and viewing the Ultimax 100 LMG/SAW video clip is located towards the bottom of this article, so you will need to scroll down to find it. However, we recommend that you read the following article first, so you can better appreciate what you’re watching (when you watch the video). March …

By Allen Cosby Photo(s) Credit: Allen Cosby The following article is property of DefenseReview.com (DR) and Allen Cosby, 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. September 12, 2012 I just …

By Mike Pannone November 23, 2010 Throughout my training, travels and experience, I have seen only a rare few organizations that allow their members to use match triggers in their duty rifles. I am a big proponent of combat match triggers for the enhanced shootability they enable. I consider a “combat match trigger” one that is single or two-stage, no …

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 …