![8.5](https://cdn7.coreware.com/cache/image-full-226746-5cfe3159b7c312d6661996f44f49ccff.jpg "This is an In House assembled complete upper receiver. It features a 8.5” 5.56 NATO barrel, a 7” black M-LOK rail, a M16 cut black nitride bolt carrier group, and a mil-spec charging handle.
-Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECand hard coat anodized black for durability.
-Barrel: 8.5" Chambered in 5.56 NATO, with a 1:7 twist rate, M4 barrel extension, and a pistol length gas system with a phosphate finish.
-Rail: Guntec USA 7" Lightweight Black M-Lok free-float rail
-Bolt Carrier Group- M16 Cut black nitrided Magnetic Particle Inspected, the gas key is properly staked. This bolt also works with 5.56/.223, and .300 Blackout.")
8.5" .300 Blackout Complete Upper Receiver W/ 7" M-LOK Rail W/ Bolt Carrier Group & Charging Handle
Item : 8.5_.300_BLACKOUT_COMPLETE_UPPER_RECEIVER_W_7_M-LOK_RAIL_W_BOLT_CARRIER_GROUP__CHARGING_HANDLE
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$439.00
$419.00
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This is an In House assembled complete upper receiver. It features a 8.5” 5.56 NATO barrel, a 7” black M-LOK rail, a M16 cut black nitride bolt carrier group, and a mil-spec charging handle.
-Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPEC and hard coat anodized black for durability.
-Barrel: 8.5" Chambered in 5.56 NATO, with a 1:7 twist rate, M4 barrel extension, and a pistol length gas system with a phosphate finish.
-Rail: Guntec USA 7" Lightweight Black M-Lok free-float rail
-Bolt Carrier Group- M16 Cut black nitrided Magnetic Particle Inspected, the gas key is properly staked. This bolt also works with 5.56/.223, and .300 Blackout.
| Weight | 3.0000 |