SB Tactical SBT5K Side-Folding Brace — MP5K Black

The SB Tactical SBT5K is a side-folding stabilizing brace engineered for MP5K-style pistols with 2-pin “K” configuration. It uses a molded polymer end cap with an integral folding mechanism and includes an adjustable nylon strap for a customizable fit. The assembly ships ready-to-install and includes a QD socket for accessory attachment. Due to varying tolerances between roller-lock manufacturers, gunsmith installation or fitting may be required.

Key Specifications

• The model is SBT5K.
• It is designed to fit MP5K (2-pin “K” models such as HK SP89, HK SP5K, PTR 9KT, Century Arms AP5-P & AP5-M, and most SP5K clones).
• The color is listed as Black.
• The material is polymer.
• The assembly includes a QD socket integrated into the end cap.
• The product includes an adjustable nylon strap for custom fit.
• The unit features an integral side-folding mechanism.
• The package ships as a complete assembly ready-to-install.
• The listed weight is 12.5 oz.
• The manufacturer specification lists a length of 10.5 and a maximum width of 2.25 with a strap width of 1.0.

The SBT5K delivers a compact, practical solution for shooters using MP5K-style pistols who want a folding stabilizing option that stores neatly while offering a secure shoulder/brace interface when deployed. Its polymer construction and QD-ready end cap keep weight low while the adjustable strap provides an adaptable fit across users. Built with attention to installation detail, the SBT5K is a straightforward upgrade for compatible platforms where a side-folding stabilizing brace is desired.