ProMag PM245 Lower Receiver Vise Block Polymer 308 Win/7.62x51mm NATO Armalite,DPMS,Remington,SR-25 AR-10 Accessories Miscellaneous large frame DA revolvers and

large frame DA revolvers and many large autoloaders as well

Ambidextrous single Magpul QD sling mount attachment point

NOTE: NOT for polymer frame models

Built stronger and with a full size caliber

6rd speedloader for S&W 57

ProMag PM245 Lower Receiver Vise Block Polymer 308 Win/7.62x51mm NATO Armalite,DPMS,Remington,SR-25 AR-10 Accessories Miscellaneous large frame DA revolvers andProMag 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.