ULTIMATE Gearbox Bearings For Recoil Shock Series - 5.9mm Gun Type_DMR Also accepts Marui MK23 magazines

Also accepts Marui MK23 magazines no problem

A perfect match for all M4/MP5/SCAR/UMP/MP5 AEGs

Does not fit standard aeg rifles

with soft cushioned cheek pads on either side

Attach packs

ULTIMATE Gearbox Bearings For Recoil Shock Series - 5.9mm Gun Type_DMR Also accepts Marui MK23 magazinesA set of 5. 9mm bearings from ULTIMATE. These bearings are precision made in Japan from solid steel. The 5. 9mm design minimises friction and wear whilst maximising the efficiency and alignment of the gears. An absolute must if you plan on building a high torque high speed gearbox. These bushings do not contain ball bearings like the 8mm bushings, but they are comprised of several rotating parts and are not a single cast piece. These bearings are