GBB magazine seal kit for APS Co2 pistols

These high quality O-Ring are designed for Co2 use. They can resist the high pressure and extreme cold of Co2 gas

The pack includes:

10x O rings to suit magazine bases for APS Pistols (both single and 2 stage)

10x O rings to suit GBB magazine exhaust valve

The small O rings Suit both the APS and 2011 magazine exhaust valve,  this does not include the Valve, it is just the O rings to replace the factory seals