HK Army Performance Series Replacement Piston Kit Style:HP8 (800-850) The Kingman Spyder MRX 18

The Kingman Spyder MRX 18 inch Sniper Barrel features a micro-honed smooth bore finish and is ported with muzzle break

This solid billet aluminum ratchet assembly from Lapco is an upgrade for the Tippmann Cyclone

This means the gun will be softer than ever on brittle paint as well as more efficient than imaginable

686 bore control insert with a unique threaded locking system

HK Army Performance Series Replacement Piston Kit Style:HP8 (800-850) The Kingman Spyder MRX 18These pistons come equipped with Belleville Shim Stack, designed for precision and ease of use. This innovative component allows you to adjust the output pressure of your regulator quickly and efficiently without needing to purchase an entirely new regulator unit. Simply pull out the entire shim stack unit and drop it into your regulator for seamless performance. The shim stack wraps around a robust brass piston equipped with all necessary O rings,