CTM CNC Enlarged Upper Lock for AAP-01/C - Blue screws The O-ring FKM has very

The O-ring FKM has very special properties: oil resistance

Can be used in Silverback SRS/TAC41

this item will stabilize outer barrel from recoil and improve grouping when shooting

this recoil spring delivers the perfect balance between efficiency and snappiness (making it ideal for cold weather use without compromising reliable cycling in warmer conditions)

This product does not contain a magazine release

CTM CNC Enlarged Upper Lock for AAP-01/C - Blue screws The O-ring FKM has veryEnlarged Upper Lock AAP 01 C Blue Material: 6061 CNC Aluminium. Colour: BK, SV, GD, RD, BU, VT Weight: 10. 0 g Package Contents : Enlarged Upper Lock Spring * 1 6061 CNC Enlarged Upper Lock for AAP01 C * 1 Feature : Larger surface area than the original Upper Lock, making it easier to press. Fully CNC machined from a solid piece for a premium feel and durability. Ergonomically designed surface for improved comfort and control.