by Guy J. Sagi posted on January 11, 2012 Guns Support NRA Shooting Illustrated DONATE The Adcor B.E.A.R. is a piston-driven AR with a host of unique features. In this article ADCOR, AR-15, piston Related Stories LWRCI IC-A5 Carbine Video Watch: Caracal USA 814 & 816 Rifles Rifle Roundup: PWS MK114 MOD 2-M Rock River Arms LAR-PDS Gallery CMMG and Faxon Piston AR Review Most Popular New 2011 and 1911 Pistols for 2024 Body Language and Personal Defense Keeping The Proper Perspective 9mm Double Stack 1911 Pistol Roundup New Pistols for 2024 New Modern Sporting Rifles for 2024