From Bullgear's Range of CNC Hop Up Units we have their CNC Hop Up for A&K, Cybergun and Classic Army M249 LMG's.
This Upgrade Hop Unit is a quaility upgrade over the stock units found in these M249s. Using CNC Machining and Constructed completly from Aluminium it has a high toloarance and smooth adjustment. Compatible with the majority of Hop Rubbers and Nubs. Bullgear reccomend pairing their Hop Units with the Promethus 'Purple' Hop Rubber and Nub.
Please Note this Hop Unit is only compatible with Regular Version (Metal Machine Gun) M249 RIF's and is Not suitable for the Featherweight Versions and other plastic construction machine guns.
