** When you buy products through the links on our site, we may earn a commission that supports NRA's mission to protect, preserve and defend the Second Amendment. ** The purchase of a good AR-15 is a ...
Blackheart International's BHI-15 MIL-SPEC Complete Upper Receivers follow the profile of standard AR-15 mid-length systems, the BHI-15 MIL-SPEC assembly starts with an A3 flat-top upper receiver ...
Designed to replace an existing AR-15 upper assembly, DPMS’ blowback-operated, .22 Long Rifle-chambered flat-top uppers are offered in A3 and varmint configurations with 16-inch barrels featuring 1:16 ...
The MR556A1 Upper Receiver Kit allows high quality AR-style rifles to be retrofitted to HK's famous pusher rod operating system. An MR556A1 Upper Receiver Kit includes a complete barrel assembly, HK ...
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