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Mfg Item #: 64133
The AAC BlackOut Muzzle Brake 51T 7.62mm. These highly effective muzzle brakes are compatible with AAC Mk13-SD 90T sound suppressors. All AAC Blackout muzzle brakes are machined from high strength aerospace steel alloy and coated in a hard, durable, corrosion resistant SCARmor finish. Rocksett and shim kit included.
| Finish | Matte |
|---|---|
| Caliber | 30 Caliber | 7.62mm |
| Nfa Thread Pattern | 5/8x24 |
| Additional Feature 3 | 90 Tooth Ratcheting System |