UGS™ Stock Rail Model:HPA (2.000") Diameter, Original S M L XL 2XL

S M L XL 2XL Chest to Fit (inches) 34-37 38-41 42-45 46-49 50-53 Body Length (inches) 26 ⅜ 27 ½ 28 ⅝ 29 ¾ 30 ⅞ Chest Width (inches) 19 ½ 21 ½ 23 ½ 25 ½ 27 ½

and air-seal

Num Most Commonly Used With Tip (Inches) OAL (Inches) 1

Since they are equipped with the same standard ASA threads that are on a HPA tank

This is an OEM replacement in the event yours gets taken by the workbench gremlins

UGS™ Stock Rail Model:HPA (2.000") Diameter, Original S M L XL 2XLThe 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