Bearded Bastard 416 Service inner barrel lubricate the O ring under

lubricate the O ring under the Hop Wheel

Stable FPS - With airsoft technology advancing

1x Flat Hop Nub

The Hopup Chamber M4A unit is built with an aluminum Rotary Dial Knob for fine hopup adjustments

drop stock

Bearded Bastard 416 Service inner barrel lubricate the O ring under1. 2 Joules 28 RPS Indoor velocity Perun Hybrid MOSFET Pro $75 Real Deal Ultimate Piston 2025 Real Deal High Speed Piston Head 2025 ($42 When bundled with Piston) Real Deal Ultimate Tappet Plate $12. 99 Real Deal Golden Boi 29 K motor $65 Short Stroked 2 Teeth from OEM Gearset Real Deal Delay Chip $5 4UAD Bucking and Nub $15 Polished Inner Barrel Real Deal Stabilizer O Rings FREE Real Deal Labor Discounted from $250 to $50 total $264. 99