Grand Power Stribog SP9A3 Locking Block – 40° Degree (9mm)

The 40-degree locking block for the 9mm Stribog SP9A3 offers maximum recoil reduction and the smoothest cycling possible. Ideal for suppressed setups or subsonic ammunition, it further slows bolt velocity beyond the 35-degree variant. Perfect for tuning your Stribog for ultra-smooth operation and recoil control in a tailored setup.

Features:

• Softens felt recoil and improves cycling with standard 115gr 9mm ammo
• Maintains shape and performance during extended firing sessions, including suppressed use
• Prevents accidental retraction and enhances reliability during rapid fire or tactical use
• Easy installation with no gunsmithing required. Compatible with all factory and HB Industries charging handles
• Ideal for stealthy or suppressed setups.