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). February 29, 2008 On Feb. 1 (2008) during …

by David Crane david@defensereview.com Safety Harbor Firearms is currently manufacturing and marketing a side-mounted magazine-fed bolt-action .50 BMG rifle, called the Ultra Mag 50, that DefenseReview would like to learn more about. Developed by Dennis Cheney and Dave Finnie, the Ultra Mag 50 .50 Cal. rifle utilizes an AR-15-based lower receiver and lightweight upper. The Ultra Mag 50 .50BMG rifle …

by David Crane david@defensereview.com General Dynamics Armament and Technical Products (GDATP) has just been awarded a $16 million contract for M2HB 12.7mm/.50BMG (.50 Cal.) machine guns. The following press release comes directly from the General Dynamics Armament and Technical Products (GDATP) website: "General Dynamics Receives $16 Million in Orders for M2HB Machine Guns: 07.22.04 CHARLOTTE, N.C. – General Dynamics Armament …

by David Crane There is growing interest by the military in the 20mm cannon round for anti-material use, since it’s capability in this area significantly exceeds that of the .50 BMG. Special Operations units are particularly interested in the development of sniper/anti-material rifles chambered for a cannon round, since they offer significantly increased performance to even the Nammo/Raufoss Mk211 Multipurpose …

I was talking with one of my brothers about some different calibers and velocities. Something we often talk about. This led to the IPSC’s Power Factor, which is simply Bullet Weight in Grains, Times Velocity, Divided by 1,000. This is an easy formula that one can use when comparing loads… but doesn’t take into effect Caliber. W x V / …