STG U9 Spare Parts

U9 5" Long Barrel Threaded 5/8"-24

STG Universal Barrel for use with short shroud setup Includes: 1 x Barrel Cal: 9mm 

1/2"-28 3-Lug Barrel Adapter

STG Universal Barrel for use with short shroud setup Includes: 1 x 3-Lug Barrel Adapter for 1/2"-28 9mm barrels to fit the 45acp 3-lug setups

5/8"-24 3-Lug Barrel Adapter

STG Universal Barrel for use with short shroud setup Includes: 1 x 3-Lug Barrel Adapter Made to B&T / HK standard for 45acp/10mm/4

3-Lug Barrel Adapter for 37/64"(.578)-28

STG Universal Barrel for use with short shroud setup Includes: 1 x 3-Lug Barrel Adapter Made to B&T / HK standard for 45acp/10mm/4