MBX Duty & Carry Lock Back Spring Follower Set

RELIABILITY MEETS CAPACITY: 21 ROUNDS FOR 140MM & 18 ROUNDS FOR 126MM

Upgrade your defensive and everyday carry magazines with the MBX Duty & Carry Lock Back System. This premium enhancement kit features our precision-engineered injection follower paired with an overpowered Wolff spring for uncompromising reliability in critical situations.

COMPATIBLE WITH:

• STACCATO/STI Factory Tubes
• Springfield Factory Tubes
• SVI/Infinity Factory Tubes
• Checkmate/Atlas Factory Tubes
• BUL/Armscor/Para Factory Tubes

TACTICAL ADVANTAGE: Specifically designed with enhanced lock back functionality for defensive and duty applications where positive slide lock on empty is essential. Achieve increased capacity without sacrificing the reliability your life may depend on.

PERFORMANCE GUARANTEE: The combination of our advanced injection follower and reinforced Wolff spring ensures flawless feeding, consistent lock back, and dependable performance under any condition.

PROFESSIONAL GRADE: Trusted by law enforcement and serious carriers who demand both maximum capacity and absolute reliability from their defensive firearms.

Trust MBX for the capacity increase you want with the reliability you need.