Competition Upgrade Kit for KJ Works / ASG CZ Shadow Series (Magic Recoil Spring & Hand-Polished Mag Lip) Pistol-Inner Barrel Buffer Tube Compatibility: Fits 1

Buffer Tube Compatibility: Fits 1

Material Composition: Premium cotton twill front panels

the sear tooth meets the slide notch at a perfect perpendicular angle

Recommended Torque (with Loctite 222 or 243):

(1 Pair) Unity MARK Mounts

Competition Upgrade Kit for KJ Works / ASG CZ Shadow Series (Magic Recoil Spring & Hand-Polished Mag Lip) Pistol-Inner Barrel Buffer Tube Compatibility: Fits 1Friction Reductions: Re Engineering the CZ Shadow Cycling Efficiency Through Geometric Profiling and Tension Alignment Within high cadence dynamic shooting courses, mechanical lag is the primary bottleneck to tight split times. Standard gas blowback platforms frequently introduce sub optimal cycling dynamics. Native factory recoil springs often lack the progressive rate needed to balance heavy gas impulses, causing sluggish return to battery or