Modify MOD24 / SSG24 9mm Spring Guide W/ Rotary Ring

Modify MOD24 / SSG24 9mm Spring Guide W/ Rotary Ring The rotatable, 9mm, stainless-steel spring guide significantly minimizes deformation of the spring due to impact from shooting, which extends durability. Features: For 9mm diameter springs Aircraft aluminium alloy tube body / Anodic hardening. Rotatable