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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
and air-seal
Your choice of a 12g or 33g CO2 insert is included with the CO2 models
The HPA configuration includes G&P R3 buttstock pictured
This is an OEM replacement in the event yours gets taken by the workbench gremlins
UGS™ Stock Rail Model:HPA (2.000") Diameter, Original and air-sealThe UGS stock rail provides indexing and length adjustment that the rail on a buffer tube would normally provide. By swapping between the different rails on your UGS you are able to reconfigure the stock for the use of Milspec CO2 inserts and Milspec stocks, or 2. 000" diameter HPA tanks and 2. 000" stocks such as the G&P R3 and similar stock used in paintball applications. All UGS stocks for M4 models use the "Original" rails. All UGS stocks for
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