This is a SB Tactical Stabilizing Brace known as the SBTi, model SBTi-01-SB.
A skeletonized version of the SBT Pistol Stabilizing Brace the SBTi enhances your B&T APC or HK UMP with an integral side-folding mechanism. The SBTi variant also allows you to customize the look of your platform equipped with any compatible SBT adapter (CZ Scorpion CZ Bren 805 HK MP5 HK MP5K etc.) Includes an adjustable nylon strap.
Features:
Black finish
Ready-to-install for HK and B&T
ATF compliant
