Stubby Sleeper Build mk18 which combine to create the

which combine to create the desired elasticity

6 Second Delay Before Detonation

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The top one adjusts the tension of the return spring & the most bottom one is to adjust your over travel

$200 labor to rebuild

Stubby Sleeper Build mk18 which combine to create theThe Stubby Sleeper Build on the outside looks like a stock replica, but boi oh boi, under the hood shes super upgraded with high tier performance. 33 35 RPS 350 400 FPS Super light weight, due to a strong polymer body and a light weight retro CNC gearbox, you can virtually run this one handed 7 inch hand guard and outer barrel Focused on performance, internally we spared no expense. This build is powered by a 37K Real Deal Airsoft Brushless Motor,