ALLEN AK SERCIVE

1.77 Joules 35 RPS Service includes the following SHS M120 Steel Main Spring $10 SHS 9mm Steel Bushings $15 Jefftron V3 Optical Mosfet $110 Jefftron V3 2 Stage Trigger Adapter $15 Quantum Industries AEG Bucking and Nub $12 Real Deal High Speed Delay Chip -- FREE Real Deal Ultimate Piston SSG -- FREE Real Deal High Speed Piston Head -- FREE Real Deal 65% Steel Cylinder -- FREE Real Deal Cylinder Head -- FREE Real Deal Inner Nozzle O Ring Real Deal Custom Printed Gearbox - Hop Chamber Spacer Shim -- FREE Hand Polished inner barrel -- FREE Foldable Stock Custom Shim Pad to remove wobble Bonded Retaining bolt for stock Labor -- FREE Total $162 E&L Uses a proprietary nozzle length and nozzle diameter which prevents it from fitting into after market chambers, the hop chamber has has shims added under screws to increase how rigid the hop adjustments adjustments are.