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Noveske’s 300 AAC BLACKOUT is designed to run optimally firing both subsonic suppressed and supersonic unsuppressed. This barrel is tuned to lock back on the last round using subsonic 220 and 208 grain ammunition with a sound suppressor. The firearm may not lock back with subsonic 220 and 208 grain ammunition without a sound suppressor.
Precision 300 Blackout barrels in 7.94", 10.5", and 12.5" lengths, machined from 416R stainless with a 1:7 twist and hand‑polished SAAMI 300 Blackout chamber. Each barrel is individually serialized for QC and features a Noveske low‑profile .750" journal gas block pinned to the barrel. M4 extension with extended hand‑polished feed ramps, 60° muzzle crown, bead‑blasted finish, and 5/8"x24 muzzle threads complete the package.
Each barrel comes with a gas tube for its respective gas system
| Barrel Length | Gas System | Barrel Weight |
| 7.94" | Pistol | 21oz. |
| 10.5" | Pistol | 22oz. |
| 12.5" | Pistol | 27oz. |
All ATF regulations apply. Each state's laws dictate what can or cannot be possessed in its own state. Some counties within each state hold different laws as well. Please contact your local ATF field office with any ATF related questions or concerns you may have. Noveske Rifleworks LLC reserves the right to use discretion when selling to each individual state.
Prop. 65 Warning for CA Residents WARNING:
This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.