The Thunder Beast 338BA muzzle brake in M18x1 is the brake from Thunder Beast Arms Corporation (TBAC) made for .338 rifles that mount a brake-attach suppressor. It has a black oxide finish, and a peel washer is included with it. This listing is the M18x1 metric thread. TBAC also lists the same brake in M18x1.5 and in several inch-pitch threads. Match the thread to your barrel before you order.

Key Specifications

• The thread is M18x1, a metric pitch that must match your barrel exactly.
• The finish is black oxide, a classic corrosion-resistant coating.
• A peel washer is included to help set the brake square against the shoulder.
• The brake is made for .338 rifles that use TBAC brake-attach suppressors.

Frequently Asked Questions

Is the M18x1 the same as the M18x1.5? No. They are different pitches. TBAC lists the 338BA brake in both M18x1.0 and M18x1.5.

Is a peel washer included? Yes. TBAC lists the peel washer as included with the 338BA brake.

Buy the Thunder Beast 338BA Muzzle Brake, M18x1

If your .338 barrel is threaded M18x1, this is the TBAC brake cut for it. Order it from our Lubbock, Texas gun shop for fast, insured shipping and see more AR muzzle devices.