Designed as a replacement or custom colored lower receiver kit for the Kizuna Works BSK43 (Basilisk series) gas blowback airsoft pistol, this set includes:
Main Polymer Lower Frame (with integrated Picatinny accessory rail and textured grip)
Front Chassis / Inner Frame Housing
Beavertail / Rear Frame Extension
Mainspring / Grip Housing Backstrap
Magwell Flare
Magazine Release Catch & Collar
Installation instruction:
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