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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Precision manufacturing ensures perfect alignment and tighter tolerances
typically reaching ~420–450 FPS (depending on setup)
Compact and efficient
heat buildup
RetroArms CNC Low Profile Bushings (8mm) Shim Sets Precision manufacturing ensures perfect alignmentThe RetroArms CNC Low Profile Bushings (8mm) are precision engineered gearbox components designed for smooth gear rotation, maximum durability, and precise alignment in AEG gearbox builds. Machined from high quality steel, these bushings provide a tight, stable fit that minimizes friction and play between the gears and the gearbox shell. The low profile design improves internal clearance, making them ideal for advanced setups with tight tolerances or