by David Crane david@defensereview.com Precision Reflex Inc. (PRI) has a new 6.8x43mm REM SPC (Special Purpose Cartridge) upper receiver designed/developed to replace any AR-15/M16-based weapon’s 5.56x45mm upper receiver. Noted gunwriter Gary Paul Johnston has stated that the new PRI 6.8mm REM SPC uppers "have… proven 1-MOA accurate or better". These uppers are available with either 18.5" or 16.5" free-float Rock …

Duane Dieter is a well known tactical and combat instructor in both military and LE SWAT circles. Apparently, he’s now making parts and accessories for tactical weapons that will hold up to the pounding and stress of CQB (Close Quarters Battle). One of these products is his new CQD Vertical Foregrip designed to slide onto a standard mil-spec 1913 picatinny …