Jaeger Precision get to show how to short stroke the Lambda Defence GHM9-G GBB. The Lambda Defence B&T Licensed GHM9 GBBR SMG is a replica of the B&T GHM-9 Sub-machine gun built with aluminium, steel and nylon for durability. It boasts realistic performance, adaptability for various accessories like pistol grips and stocks, and magazine compatibility with most G17 airsoft brands, plus Lambda Defence plans to release even more upgrade parts in the future.
Piston Short Stroking
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Piston short stroking is a well-known technique that helps increase ROF. The logic is simple: decrease piston cycling time by removing teeth from the piston and the sector gear. Advantage? Less stress on the gears, the motor, and the battery. Gain? One sixteenth rps per every tooth removed. Loss? 15-20fps per tooth removed.
Short stroking is done by removing teeth from the piston and the matching teeth from the sector gear.
First, the piston.