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Caliber / Material: 7.62×51 — 416R stainless
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Twist Rate: 1:10
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Individual serialized barrel (QC traceability)
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Chamber: Hand-polished Noveske Proprietary Match chamber
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Gas block: Noveske Micro Switchblock® — .750" journal, pinned to barrel
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Switchblock® features: 3 settings (Unsuppressed, OFF, Suppressed)
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Barrel extension / Feed ramps: Extended, hand-polished M4-style feed ramps
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Muzzle crown: 60°
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Muzzle threads: 5/8"x24
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Finish: Bead-blasted
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Includes: Micro Switchblock® wrench
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Includes: Headspaced bolt with dual ejectors and correct firing pin
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| Barrel Length | Gas System | Barrel Weight |
| 12.5" | Proprietary Straight Leonidas Gas Tube | 35.5oz. |
| 16.1" | Proprietary Straight Rifle Gas Tube | 44.8oz. |
| 18" | Proprietary Straight Rifle Gas Tube | 48.5oz. |
