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Code: 69B-URC-ABC27RE-UA300B-BR5-TCML5-BLK
MPN: UA300B-BR5-TCML5-BLK

Code: 69B-URC-ABC27RE-UA300B-BR5-TCML5-STW
MPN: UA300B-BR5-TCML5-STW

Code: 69B-URC-ABC27RE-UA300B-BR5-TCML5-TNG
MPN: UA300B-BR5-TCML5-TNG

Code: 69B-URC-ABC27RE-UA300B-BR5-TCML5-ODG
MPN: UA300B-BR5-TCML5-ODG

Code: 69B-URC-ABC27RE-UA300B-BR5-TCML5-SG
MPN: UA300B-BR5-TCML5-SG

Code: 69B-URC-ABC27RE-UA300B-BR5-TCML5-BB
MPN: UA300B-BR5-TCML5-BB

Code: 69B-URC-ABC27RE-UA300B-BR5-TCML5-RD
MPN: UA300B-BR5-TCML5-RD

Code: 69B-URC-ABC27RE-UA300B-BR5-TCML5-FDE
MPN: UA300B-BR5-TCML5-FDE
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This upper combines a 6061-T6 billet receiver with tight milspec tolerances and a compact 5in M-LOK handguard featuring an integrated handstop for confident handling. The 5in 4150 CMV barrel with a 1:7 twist, chambered in .300 AAC Blackout, is optimized for versatile loads in tight quarters. A 5/8x24 aluminum flash can, .750 steel gas block, steel barrel nut, and micro gas system ensure smooth, reliable cycling. Finished with an MPI-tested nitride BCG, forged extended-latch charging handle, and full milspec forward assist and ejection port hardware, this upper is compact, clean, and built to hit hard.![]()
| Manufacturer: | ABC RIFLE COMPANY |
| Caliber: | .300 AAC Blackout |
| Barrel Length: | 5 in |
| Barrel Twist Rate: | 1-8 |
| Threads per Inch: | 5/8x24 |
| Muzzle Device: | Muzzle Diverter Flash Can |
| Handguard Length: | 5 in |
| Gun Rail: | M-LOK |
| Gun Type: | Rifle |
| Gun Make: | AR Platform |
| Gun Model: | AR-15 |
| Gas Block Journal Size-Length: | .750 in |
| Bolt Carrier Group Included: | MIL-SPEC |
| Charging Handle Included: | MIL-SPEC |