Tacfire’s upper vise block is made of solvent resistant polymer construction for strength and durability. It allows for safe clamping and will help to prevent any type of distort or damage to the upper receiver. Great to use when performing your regular maintenance, repairs or weapon assembly. Fits most standard Mil-Spec AR-15/M4 style rifles.
Brownells AR-15/M16 Lower Receiver Vise Block, Black
Original price was: $15.99.$14.29Current price is: $14.29. 
Cobalt Kinetics CK-Pro AR-15 Receiver Set, 6.75in Handguard, Flat Dark Earth CKPROSET675FDE
Original price was: $1,380.27.$1,218.95Current price is: $1,218.95. 
Tacfire AR-15 Upper Receiver Vise Block Black
$6.99 
