7.5" 1:9 HBAR Flattop Upper, Gas Block
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20" 1:12 Chrome Lined Lightweight A-1 Upper, Retro
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20" 1:12 Chrome Lined Lightweight A-1 Upper, Retro
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7.5" 1:9 Lightweight "C4" Flattop Upper, Low Profile Gas Block
$479.99
In stock
SKU
ARBU669
Our 7.5" C4 (Compact Constant Carry Carbine) Upper starts with our 5.56 chambered 7.5" HBAR barrel made from 4140 chrome moly steel utilizing the pistol length gas system. This barrel is attached to our flattop upper with Samson's 7" Evolution aluminum free floating handguard. The upper is fully assembled and all parts are completely made in the USA.
| Caliber | 5.56x45mm NATO |
|---|---|
| Twist Rate | 1:9 Right Hand |
| Barrel Length | 7.5" |
| Barrel Type | Lightweight |
| Barrel Material | 4140 Chrome Moly |
| Barrel Features | Black Nitride Finish, M4 Feed Ramps |
| Upper Receiver Features | "T"-Marks, Brass Deflector, Forward Assist, M4 Feedramps |
| Upper Receiver Material | Forged Aircraft 7075 T6 Aluminum |
| Upper Receiver Coating | Type III Anodize |
| Sight / Gas Block | Low Profile Gas Block |
| Muzzle Device | A-2 Flash Hider |
| Handguard | Samson Evolution (9") |
| Country of Manufacture | United States |
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