Maple Leaf GHK Hopup Chamber (M4 / AK) Housing & NPAS began its life as a

began its life as a modified military type-classified version of the Remington M700 bolt action rifle

BCA Custom 24mm Stainless Steel Cylinder

Comes with clear

High strength YKK zippers and zipper tracks

The trigger can be pulled but nothing happens

Maple Leaf GHK Hopup Chamber (M4 / AK) Housing & NPAS began its life as aThe Maple Leaf hop up chamber for the GHK M4 AK GBBR is a high quality, lightweight, premium upgrade that is made to increase the performance of the GBBR. Compatibility: GHK M4 GBBR Series GHK AK GBBR Series Includes: x1 Maple Leaf Hop Up Chamber Set for GHK M4 GBB or x1 Maple Leaf Hop Up Chamber Set for GHK AK GBB