Tag Archives: primary weapons systems

A Tale of Two Custom Mid-Length AR Carbines: The Frankengun (Frankencarbine) Project

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). February 23, 2010 DefenseReview plans to run two custom-built tactical AR carbines (AR-15 carbines) through …

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Primary Weapons Systems Introduces PWS Enhanced Buffer Tube, MilSpec for Tactical AR Carbines and SBRs/Subcarbines at SHOT Show 2010

By David Crane defrev (at) gmail (dot) com February 9, 2010 While DefenseReview was chatting with John “Chappy” Chapman at the Laser Devices, Inc. booth at SHOT Show 2010, he told us we absolutely had to go take a look at the PWS Enhanced Buffer Tube, MilSpec, which is designed to replace the standard buffer tube on tactical AR (AR-15) …

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PWS Diablo 7.62x39mm Russian: 7″-Barreled Long-Stroke Gas Piston/Op-Rod AR (AR-15) SBR/Complete Upper Receiver Assembly

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). February 4, 2010 After last year’s SHOT Show (2009), DefenseReview published information on the Primary …

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Smith & Wesson M&P15R 5.45x39mm Tactical AR-15 Carbine: Have your AR-15 with a side of Russian.

by David Crane May 6, 2009 The April 2009 issue of Special Weapons for Military & Police (SWMP) (Gun Buyer’s Annual #74) has an article on the Smith & Wesson (S&W) M&P15R 5.45x39mm Russian (a.k.a. 5.45x39mm Soviet a.k.a. 5.45x39mm Kalashnikov) semi-auto tactical AR-15 carbine. It’s an interesting offering, since the 5.45mm Russian is an interesting little cartridge, and combining it …

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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 …

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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, …

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2008 NDIA Small Arms Systems Symposium Firing Demo: Initial Report

by David Crane defrev at gmail.com May 25, 2008 Aaaand we’re back. Sorry for the delay in reporting in, but we’ve been fighting the travel demons and illness (minor and temporary) simultaneously. We shot some good video at the 2008 NDIA International Infantry & Joint Services Small Arms Systems Symposium, but we’re not sure how much of it we can …

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