Present Arms Inc Ar-15 Upper Receiver Repair Block

We
The Present Arms AR-15 Upper Receiver Repair Block is machined from synthetic, non-marring polymer, giving added support both inside and out for distribution of loading as a result of repairs. Ball de-tent pins are provided to securely hold the upper by way of for and aft takedown points. Vertical pins are installed to hold the dust cover in a horizontal position for ease in assembly and disassembly of ejection port parts. Machine cut to allow HK416 dust cover vertical pin and fwd assist retention pin free fall from assemble into parts pocket. Their Patent Pending Upper mount securely holds the upper for optics, forward assist and dust cover repairs. Mfg: Present Arms Inc