- Fits Glock 21 .45 ACP Luger
- Threaded .578x28
- 1:16" Twist Rate
- 416R Stainless Steel
The SILENCERCO Glock 21 .45 ACP .578x28 Threaded Barrel (AC863) is precision machined from heat treated 416R stainless steel. It features a durable, corrosion resistant matte black Nitride finish. The barrel features a 1:16 twist rate, and it is threaded .578x28 to fit Glock 21. This is the perfect item for turning your run of the mill sidearm into a suppressor ready host.
DISCLAIMER: This product is not manufactured, authorized, endorsed, or warranted by GLOCK. GLOCK does not warrant or represent that this product is compatible with GLOCK pistols.