B&T Stille 300BLK (Ti) Suppressor – .30 Cal, Titanium/Inconel, 1.375x24 HUB (SD-145894)

The B&T Stille 300BLK is a 3D-printed titanium .30-caliber suppressor optimized for quiet performance on .300 BLK bolt-action rifles and precision gas guns, with multi-caliber ratings up to .300 Win Mag. B&T part SD-145894, UPC 840225722666. This listing is for the B&T Stille 300BLK (Ti), SD-145894 only.

Titanium Body, Inconel Blast Baffle

B&T pairs a weldless, 3D-printed titanium body for weight savings with a 718 Inconel blast baffle that reinforces the highest-stress area against erosion and heat. The sealed design is tuned for both supersonic and subsonic ammunition.

Mounting

The Stille 300 uses the 1.375x24 HUB interface with wrench flats, and ships with a 5/8x24 direct-thread mount for out-of-the-box use.

No Barrel Length Restrictions

B&T lists no barrel length restrictions and says the Stille 300 is engineered for full-auto use; it is optimized for 14.5-inch and longer carbines while still running on shorter barrels.

B&T Stille 300BLK (Ti) Specifications

NFA Item

Suppressors are regulated under the National Firearms Act. Transfer requires an approved ATF tax-stamp application, and suppressors are not legal in every state.

Frequently Asked Questions

What mount comes with it?
A 5/8x24 direct-thread HUB mount.

Is it only for .300 BLK?
No. It is optimized for .300 BLK but rated from .223 up to .300 Win Mag.

Is there a minimum barrel length?
B&T lists no barrel length restrictions.