ProMag Well Vise Block for AR-10 .308 AR-Type Rifles Lower Receiver Magazine, Black - PM245
Promag
$19.99
ProMag AR-10/308 cal AR type rifles lower receiver magazine well vise block helps to prevent damage or movement during repair, assembly and cleaning. Heavy duty block clamps into the magazine well of the lower receiver. Double sided design fits Armalite, DPMS, Remington, SR-25 and many other AR type rifles. Made in USA.