UMP / USC Series
Choose from an expansive selection of HK UMP and USC parts, such as HK UMP Barrels and HK USC Stocks, crafted for those who value reliability and performance. Upgrade with HK USC Handguards and HK UMP Triggers, and experience the difference in quality and craftsmanship.
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Out Of Stock
ACR Folding Stock - Telescopic 7 Position - Picatinny Rail
F5 MFG
$249.95F5 ACR Folding Stock - Picatinny Mount - Universal The F5 ACR folding stock easily attached to any Picatinny rail, giving the user the versatility of swapping between any Picatinny equipped firearm...HKP-22280-M$249.95 -
Picatinny Optic Mount - Low Profile - ACRO, NANO
B&T Brugger & Thomet
$115.00B&T Brugger and Thomet Aimpoint ACRO / NANO 22mm Low Mount The B&T ACRO NANO optic mount is a universal QD mount for any firearm featuring a Picatinny top rail. Keep your optic profile compact with...HKP-21728$115.00 -
HK UMP, USC Top Rail - Extended - Optics
HKP HK Parts
$59.95HKP HK UMP & HK USC Extended Top Rail For Optics Nearly an 1" longer than the standard length top rail for mounting any Picatinny mount optic. Made in the USA from 6061 aluminum and hard coat...HKP-21048$59.95 -
HK UMP Barrel Pin Screw
OMEGA
$13.95Omega UMP Barrel Pin Screw Barrel pin Screw that replaces barrel pins on Omega Gideon Shadow Compatible With: HK UMP HK USCHKP-22514$13.95 -
Picatinny Optic Mount Shield - ACRO P2, C2 - S.W.O.R.D.S
Frost Defense
$269.95Aimpoint ACRO P-2, C-2 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint ACRO P2/C2 red dot sights. This patent-pending mount system provides...HKP-22341-M$269.95 -
HK UMP, USC M-LOK Attachment Piece
HKP HK Parts
$29.95HKP HK UMP/USC M-LOK Attachment Piece Upgrade your UMP and USC with the HK Parts M-Lok attachment piece, designed to eliminate the hassle of snagging and shredding your knuckles on Picatinny rails...HKP-22249$29.95 -
On Sale
HK UMP, USC Top Rail for Optics with Screws - Extended - USED - BLEMISHED
H&K Heckler & Koch
Now: $37.46Was: $99.95H&K HK UMP & HK USC Extended Top Rail For Optics with Screws - USED - BLEMISHED MINOR SCRATCHES.HKP-20502-BNow: $37.46Was: $99.95 -
HK UMP, USC Sling Pin, Stock Block B
HKP HK Parts
$49.95HKP Stock Block B Sling Pin for HK UMP, and HK USC .40 S&W / .45 ACP / 9mm The original thumb screw version for all stock block B's. Compatible with:HKP-21504$49.95 -
Gideon Shadow UMP Rear Sight, Complete
OMEGA
$39.95Omega Rear Sight Complete for HK UMP All the parts needed for the rear sight on a Gideon Shadow UMP style build. New USA made parts for your build. Will only work with Gideon Shadow. Locking screw...HKP-21266$39.95 -
HK45 Thread Protector - Threaded .578x28 RH
USA
$24.95HK45 .45 ACP Thread Protector - Threaded .578x28 RH Made in the USA, HK45 .45 ACP thread protector, for full size & compact barrels with a 578x28 RH. Made from stainless steel with a nitride finished...HKP-19891$24.95 -
M-LOK QD Sling Mount
Ergo
$24.95Ergo M-LOK QD Sling Mount Compatible with any firearm featuring M-LOK attachment points.HKP-17875$24.95 -
On Sale
HK UMP Hammer Spring - Left
USA
Now: $6.34Was: $9.95USA HK UMP Left Hammer Spring New U.S hammer spring- left side A high wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm. Compatible With: HK UMP...HKP-20840Now: $6.34Was: $9.95