PTS MEC GBB - Hop Up Rubber Bucking (2-pack) tk.45 The Advanced Trigger has one

The Advanced Trigger has one adjustment point to control travel

but with the appropriate outer diameter to accommodate AEG Hop-up chambers

these Li-Ion cells boast a higher capacity than their LiPo counterparts of similar size

May fit some brick types that are thin and smaller

Rifle Scabbard Body Width: 9

PTS MEC GBB - Hop Up Rubber Bucking (2-pack) tk.45 The Advanced Trigger has onePTS MEC GBB Hop Up Rubber Bucking (2 pack). A two pack of buckings (one 60 degree and one 70 degree) for gas pistols see compatibility below (may work with more models) The precision molded MEC Hop Up Rubber has a slightly narrower inner diameter at the entrance and extra coverage for the top of the barrel open cut area for vastly improved air sealing. Internally, it provides two equal pressure point of contacts with the bb resulting more effective