Direct thread titanium thread adapters for silencers threaded 1.375" x 24 tpi, including the BM15 and BM15 PCC Silencers. 
 
Generously back-bored to add volume to expansion chamber and increase performance.
 
Interfaces with common spanner wrenches including the SiCo Bravo & Charlie Spanner Tool.
 
Thread Adapter Specs:
- Overall Length = 0.65"
- Outside Flange Diameter = 1.5"
- Outside Flange Thickness = 0.2"
- Protrusion into Silencer = 0.45"
- Weight = 1.4 oz.
- External Threads (Male) = 1.375" x 24 tpi (ASR, HUB, etc.)
- Muzzle Threads (Female) = Choice of SAAMI spec 5/8" x 24 tpi or 1/2" x 28 tpi centerfire muzzle threads
- Exterior Finish = Flat Black Moly Resin
- Made from Grade 5 Titanium