Chambre Hop-Up M249 / MK43 Metal CNC (Airsoft Pro)

CNC hop-up chamber for M249 type replicas

CNC aluminium HopUp chamber for M249 machine guns is made of a single piece of aluminum alloy 6061- T6 with red anodized finish . It is a material with high strength , and  is lightweight. Weight of the chamber and only 18,9 grams. It is not  re -brand or a repackaged product of another manufacturer . The chamber was made in the Czech Republic .

Chamber is compatible with the M249 series  by manufactures: A&K, PJ, Classic Army, Echo1, Matrix.  Optimal nozzle lenght is 21 - 21,5mm.

Basic characteristics:

- Made on high precision CNC machines. (chamber, adjusting ring, center ring)
- Better sealing. (You may test more different HopUp buckings to reach the best performance)
- Durable body with red anodized coating.
- Compatible with the stock plastic nozzle.
- Packing include 21.5mm CNC aluminium sealing nozzle. Thanks to modified construction it fit on stock A&K cylinder head. 
- Nozzle from the packing also fit on standard (not NBU) cylinder heads.
- Chamber is fully compatible with the stock plastic nozzle. So nozzle replace is on customer decision and not condition for good chamber function. 
- Suitable for nozzles 21 - 21.5mm (tested on A&K M249)

Each packing include:

- Brass center ring.
- POM pressing roller.
- Spare o-ring under adjusting ring.
- Aluminium nozzle.
- Durable HopUp bucking (AimTop)