Safely Remove Pins Without Risk Of Damaging Gun's Finish Handy 7-piece kit contains all the pin punches and roll pin holders necessary to assemble and disassemble an AR-15 lower receiver without damaging the gun's finish or the pins themselves. Our nylon punch won't leave a mark, while our special bolt catch pin punch is uniquely shaped to clear the side of the receiver while you drive the pin. Other punches for hammer/trigger pins, pivot/takedown pins, and triggerguard, plus additional punches for the forward assist pawl pin and gas tube roll pin on the upper receiver. Mfg: Brownells SPECS: Contains: Bolt catch pin punch, 1/4" pin punch, 1/16" and 5/64"roll pin punches, 1/8" and 3/32" roll pin holders, and non-marring nylon punch.