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.
ProMag PM123 Lower Receiver Vise Block Black Polymer Rifle AR-15/M16
$10.39 
Midwest Industries AR-15 Lower Receiver Block
$36.99 
ProMag PM245 Lower Receiver Vise Block Polymer 308 Win/7.62x51mm NATO Armalite,DPMS,Remington,SR-25 AR-10
$13.61
