B&T Stille 8.6 – Titanium Suppressor, .338 Cal / 8.6 Blackout, 5/8x24 DT (SD-145821)

The Stille 8.6 is B&T’s 3D-printed titanium rifle suppressor optimized around bolt guns and large-caliber work, with a 718 Inconel blast insert/baffle and multi-caliber rating up to .338 Lapua Magnum. It is HUB compatible (1.375×24) and ships with a 5/8×24 direct-thread adapter. B&T part number SD-145821, UPC 840225722673.

This listing is for the Stille 8.6 titanium suppressor (SD-145821) only.

Titanium Body, Inconel Blast Section

B&T builds the Stille 8.6 as a weldless 3D-printed titanium suppressor with an Inconel 718 blast insert and blast baffle for high-pressure wear resistance. The sealed design is engineered for both supersonic and subsonic ammunition.

HUB Mount, 5/8x24 Included

• HUB compatible — 1.375×24 TPI interface with wrench flats
• Ships with a 5/8×24 direct-thread adapter
• Finished Type 2 anodized black with B&T’s topographic exterior pattern
• B&T states no barrel-length restrictions and rates it for full-auto use

B&T Stille 8.6 Specifications

Frequently Asked Questions

What mount ships with it?
B&T includes a 5/8×24 direct-thread adapter, and the can is HUB compatible at 1.375×24.

What is the caliber rating?
B&T rates it .223 through .338 Lapua Magnum on a .338 cal Stille 8.6 platform.

What is it made of?
3D-printed titanium with a 718 Inconel blast insert and blast baffle.

How much does it weigh?
B&T lists 13.7 oz.

Is it full-auto rated?
B&T states the design is engineered for full-auto use with no barrel-length restrictions.