BOLT ASSEMBLY PARTS

50% HEAVIER THAN STANDARD KC-02 BOLT CARRIER, SUPER RECOIL Heavyweight version of the V14 bolt carrier, featuring the quick-release piston tail pin...

HEAVYWEIGHT STEEL VERSION OF OUR DOUBLE O-RING PISTON FOR PEOPLE WANTING MAXIMUM RECOIL AND DURABILITY! These can be used with any version of the K...

CNC machined, engraved and anodised. Improve the gas efficiency, reliability, cycle speed and awesomeness of your KC-02! Half the weight of the sta...

V3 pistons now available!  This is the #1 upgrade for your KC-02. The piston should be the very first thing you change before anything else if you ...

Restock estimate - Summer 2026.  Current status - insufficient funds to place factory production order.  ------------------------------------------...

Description Replaces parts 39 and 40 inside your nozzle.  An NPAS is a power reduction device.  The Apollo V4 allows power adjustment of your KC-...

This kit replaces parts #29, #30 and #31 in your KJW KC-02. The bolt stop, the bolt stop spring and the small pivot pin. The new bolt stop is custo...

People keep damaging the O-rings on our V2 pistons through incorrect lubrication, so here are 10 O-rings to fit the piston, size 10.5 x 1.5mm, nitr...

New, improved design, more durable material, precision wire-formed production, updated strength specification for more efficient operation. We see ...

These CNC-machined polymer buffer pins replace the large metal buffer pin at the back of your KC-02 receiver. They make the sound of your bolt rec...

  Genesis™ KC-VSR nozzles from the latest batch of Genesis kits. V6 design. All versions of the Genesis kit are compatible with each other. CNC fro...

We are now able to offer custom laser engraving on the majority of our products, using our 50W fibre galvo laser with rotary head, and 22W diode ga...