SBM4 Pistol Stabilizing Brace Kit for Mossberg 590 Shockwave
- Complete kit, ready-to-assemble
- 12/20 GA and .410 kits available
- US veteran designed and proudly made in the USA
A complete kit, ready-to-assemble on your Mossberg 590 Shockwave, greatly enhancing the usability of the firearm by adding a third point of contact. Features: Complete kit, ready-to-assemble. Fits 12 GA and 20 GA. Kit includes: SBM4 Pistol Stabilizing Brace. STDT pistol receiver extension. ERGO Flat Top SUREGRIP. ERGO Mossberg 590 adapter. Castle nut. Adjustable nylon strap. ATF compliant, US veteran designed and proudly made in the USA.