HomeUpgrade PartsInternal PartsHop-Up EnhancementsCYMA Metal M4 Hop up Chamber Set CYMA Metal M4 Hop up Chamber Set$9.00 CYMA Metal M4 Hop up Chamber Set quantity Buy now Add to WishlistRemove from Wishlist Add to Wishlist SKU: CYMA-M005 Categories: AEG Parts by Brand, CYMA, Hop-Up Enhancements, Internal Parts, Upgrade Parts Product ID: 21853 Additional information Additional information Weight 80.0 kg Dimensions 0.0 × 80.0 × 0.0 cm Related products Add to WishlistRemove from Wishlist Add to Wishlist AIP 2mm / 1 Meter Wire (600V) – Black $4.40 Buy now Add to WishlistRemove from Wishlist Add to Wishlist Complete Gearbox with Motor for G&G L85 / Army R85 Series Airsoft AEG $53.00 Buy now Add to WishlistRemove from Wishlist Add to Wishlist AIP 4mm Heat Shrink (Black & Red 500mm long) $1.40 Buy now Add to WishlistRemove from Wishlist Add to Wishlist AIP 120% Enhance Loading Nozzle Spring For Marui 5.1/ 4.3/1911 $4.00 Buy now Add to WishlistRemove from Wishlist Add to Wishlist AIP 3mm Heat Shrink (Black & Red 500mm long) $1.40 Buy now Add to WishlistRemove from Wishlist Add to Wishlist Madbull 60 Degree Shark Accelerator Hopup Bucking (Red) $14.00 Buy now Add to WishlistRemove from Wishlist Add to Wishlist Super Shooter M110 Quenching Strengthen AEG Spring $7.20 Buy now Add to WishlistRemove from Wishlist Add to Wishlist CYMA M4 / M16 Complete Gearbox Set w/ Motor (MA001) $59.73 Buy now Add to WishlistRemove from Wishlist Add to Wishlist CYMA M14 Complete Gearbox Set with Motor (CM.07) $46.20 Buy now Add to WishlistRemove from Wishlist Add to Wishlist Full Gearbox for A&K M249 Series AEG $90.00 Buy now