GG&G USP Compact Glock/Universal rail adapter
https://farm2.staticflickr.com/1811/...3c95a3ca_z.jpg
USPC 9mm/P2000 magazine floorplates (Fit 10-round mags Only)
Extended: 1 available
Flat: 1 available
USP45C/HK45C magazine floorplates
3 available
(Mags are gone)
https://farm2.staticflickr.com/1859/...8bdcb1f7_z.jpg