Angel Custom 12mm+ to 14mm- CNC Steel Adapter for KWA/KSC MP7 Knee Pads They also come with bearings

They also come with bearings to allow the spring to rotate naturally upon compression and decompression

this M249 is of full metal construction

1-4x Optical Zoom

20g BBs and brings a good fragmentation with radius of 10-12 meters

Package Includes: 1x Gun

Angel Custom 12mm+ to 14mm- CNC Steel Adapter for KWA/KSC MP7 Knee Pads They also come with bearingsFeatures Steel Construction A required part for a KWA KSC H&K Umarex Heckler & Koch MP7 to use a 14mm Airsoft mock silencer or tracer unit Precision perfect fitted for KWA MP7 GBB 100% CNC Milled process for maximum durability and precision This is an essential part for your KWA KSC Umarex H&K Gas Blowback MP7 to take on any 14mm thread accessory such as mock silencers or tracers.