Stern Defense SD FH9 MOD1 Muzzle Device Black. Manufactured to the highest quality standards right here in the U.S.A. Full auto tested to ensure reliability and function under sustained fire. The helical right handed 1:6 twist design keeps the flash...
Stern Defense SD FH9 MOD1 Muzzle Device Black. Manufactured to the highest quality standards right here in the U.S.A. Full auto tested to ensure reliability and function under sustained fire. The helical right handed 1:6 twist design keeps the flash...