The PWS Mod 2 Bolt catch features an enlarged surface area on the top and bottom portion of the paddle to increase dexterity when manipulating the bolt by locking it to the rear or releasing the bolt forward into battery. The checkering on the top portion of the bolt catch allows for the shooter to achieve and maintain solid contact with the bolt catch under manipulation. FeaturesEnhanced surface area on the top and bottom portion of the release paddleWorks with most AR-15 forged and billet lower receiversNot compatible with AR-10/SR-25 receiversCast AISI 8620 Per ASTM A-732Black Oxide finished