AR-STONER AR-15 Vise Block Set

The AR-STONER(TM) Upper & Lower Receiver AR-15 Action Block Set is a rock solid choice for building and maintaining your flat top AR-15. Constructed of heavy duty polymer, these solvent resistant blocks clamp in your bench vice to keep your rifle stable. Scratches, twisting and other damage is nearly eliminated with use of these blocks. Use the insert along with the block halves to avoid damaging your upper. With your upper receiver snugged down you have the right tool to remove, or apply correc