HM Defense .223/5.56 AR-15 Parts
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HM Defense HMB Enhanced Bolt and Cam Pin for AR-15
Enhanced Durability AR-15 Bolt The HMB bolt has a very specific mission: to prevent your AR-15 bolt from snapping in half around the cam pin. This is the most common...Only$89.99 -
HM Defense Nitride M16 Bolt Carrier Group with HMB Bolt
Complete Nitride HMB Bolt Carrier Group This bolt carrier group goes above and beyond mil-spec, with a key upgrade to prevent broken bolts. This nitride bolt carrier group from HM...Only$164.99 -
HM Defense MONOBLOC 16 Inch Complete 5.56 AR-15 Upper Receiver with 15 Inch M-LOK...
Cost-Effective Complete Upper Receiver for A High-Performance AR-15 Build This HM Defense BUP Complete Upper Receiver features a 16-inch 4150 Chromoly barrel with a patented integrally machined gas block, and...Only$875.00 -
HM Defense MONOBLOC 16 Inch Complete 5.56 AR-15 Upper Receiver with 10 Inch M-LOK...
Cost-Effective Complete Upper Receiver for A High-Performance AR-15 Build This HM Defense BUP Complete Upper Receiver features a 16-inch 4150 Chromoly barrel with an patented integrally machined gas block, and...Only$775.00
HM Defense specializes in ultra-durable parts for the AR-15, from their HMB bolts and carriers, to complete upper groups using their Monobloc barrels.
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