Uploaded June 2016 | Updated September 2026, 2 weeks ago

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Installation procedure of the pull back kit .

This kit allows you to prime the bolt spring by pulling backward instead of pushing forward.
Air volume is increased to 41cc (instead of 28 cc)
It's using APS springs (Fat Type, external diameter 13mm)


Music Credit: Mr Surga - Project 1404
soundcloud.com/surgape