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18" 1:8 Fluted HBAR "3GR" Flattop Upper, Low Profile Gas Block
$734.99
Out of stock
SKU
ARBU233
Our 3GR (3-Gun Rifle) Upper starts with our 5.56 chambered 18" fluted HBAR barrel made from 416 SS utilizing the rifle length gas system, sporting our Bullseye muzzle brake. This nitrided match barrel is attached to our flattop upper with our 15" Cloak M-LOK aluminum free floating handguard. The upper is fully assembled and all parts are completely made in the USA.
| Caliber | 5.56x45mm NATO |
|---|---|
| Twist Rate | 1:8 Right Hand |
| Barrel Length | 18" |
| Barrel Type | Heavy Barrel |
| Barrel Material | 416 Stainless Steel |
| Barrel Features | M4 Feed Ramps |
| Upper Receiver Features | Brass Deflector |
| Upper Receiver Material | Forged Aircraft 7075 T6 Aluminum |
| Upper Receiver Coating | Type III Anodize |
| Sight / Gas Block | Low Profile Gas Block |
| Muzzle Device | Bullseye™ Muzzle Brake |
| Handguard | Samson Evolution (15") |
| Country of Manufacture | United States |
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