5.56 NATO or .300 AAC Blackout cal., AR-15 style, pistol length gas system, 7 1/2 or 10 1/2 in. BOSS steel barrel (with Caudle 3 rifling system), flash can muzzle device, extended pistol buffer tube, adj. grip, 9 or 12 (10 1/2 in. barrel on...
5.56 NATO or .300 AAC Blackout cal., AR-15 style, carbine length gas system, 16 in. BOSS steel barrel with Caudle 3 rifling system, Effin-A Mark II compensator, Legacy carbine MKI stock, adj. grip, upper and lower receivers with Type III ha...
.308 Win./7.62 NATO cal., mid to rifle length gas system, 18 or 20 in. BOSS steel barrel with Caudle 3 system, Effin-A Mark II compensator, Legacy modular stock, adj. grip, DPMS/SR-25 upper and lower receivers with Type III hardcoat anodize...
