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Grip screw pilot holes require the included #23 drill bit before insert installation
If you've ever spent hours shimming a gearbox shell just to have your nozzle tilt
then it will also take a #11 Kythera or F2 nozzle if you ever put a different system into it
it will still be able to achieve rifleman and DMR velocities and with greater air efficiency
UGS™ End Plate Assembly Shims & Spacers Grip screw pilot holes requireThis End Plate fits the "Original" UGS for M4 series and includes the pivot screw for mounting our UGS Stock Rails. This part can be used to convert the G&P R3 series rifles to use the UGS 2. 000" HPA and Milspec stock rails so the stick on rails are no longer needed. Cross compatible with Type 1 or Type 2 UGS. Can be used to used to convert G&P R3 to use PolarStar Stock Rails. Includes pivot screw. Not compatible with HK417 UGS.