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Will this work on. 300blackout barrel — 2 Answers
by
Big Ron,
from AZ, United States Asked on April 29, 2025
Presma AR-15 .223 Barrel Vise Block Rod w/ Torque Block for .750 Barrels(3.7)
Answered by
Charles Shi,
Manufacturer
from CA, United States,
on May 07, 2025
The Presma .308 Barrel Vise Block Rod with Torque Block for .936" barrels is not designed for .300 Blackout barrels by default, unless your specific .300 BLK barrel has a .936" gas block journal diameter.
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