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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HK UMP Bolt Carrier Guide
H&K Heckler & Koch
$12.95HK German All Steel UMP Carrier Guide This is the steel piece the guides the UMP bolt carrier. Compatible With: All HK UMP lowersHKP-16500$12.95 -
On Sale
Raddlock Key - HK Series
Raddlock
Now: $4.95Was: $9.95HK Series Raddlock Key And Lanyard Raddlock kits convert your firearm to a non-detachable magazine configuration for states with removable magazine restrictions. This is a replacement key for firearms equipped with a Raddlock device. Compatible With the...HKP-02447Now: $4.95Was: $9.95 -
Picatinny Optic Mount - 39mm - Skeleton Mount - Aimpoint ACRO
B&T Brugger & Thomet
$150.00B&T 39mm QD Skeleton Mount for Aimpoint ACRO The B&T QD "Skeleton" mount for Aimpoint® Acro offers a 39mm elevated profile for improved sight alignment, ideal for night vision setups requiring clearance over forward-mounted IR devices. Its...HKP-21730-M$150.00 -
B&T Angled Foregrip - Picatinny
B&T Brugger & Thomet
$71.99B&T Angled Foregrip - Coyote Tan - Picatinny Mount For those shooters who prefer an angled foregrip, this grip is the perfect solution. The lugs at the end of the grip assure a firm rest for the supporting hand. The grip can be mounted easily onto...HKP-21392$71.99 -
Out Of Stock
Surefire M900V LED Weapon Light with Vertical Grip - Used
Surefire
$199.95Picatinny Mounted VFG Weapon Light - White and IR Output A rugged, dual-output vertical foregrip light engineered for professional applications. This Vampire-series unit delivers powerful white-light illumination, infrared capability, and intuitive...HKP-99347$199.95 -
On Sale
HK UMP Bolt Carrier - Semi-Auto - Complete - .45 S&W
OMEGA
Now: $224.95Was: $359.95Omega HK UMP .45 Bolt Carrier Complete - Semi Auto Replacement part for USC to UMP conversions. Marked .45 semi auto just like the OEM carrier. Compatible With: HK UMP .45 Includes: Extractor Firing Pin Firing Pin Spring Firing Pin Retaining Pin The...HKP-21316Now: $224.95Was: $359.95 -
Out Of Stock
MLOK LINK Rail Section - 7 Slots - QD
Strike Industries
$25.95Strike Industries M-LOK & Key Mod Universal Rail - 7 Slots Strike Industries LINK attachment system takes the age old question Key-Mod vs. M-LOK and came up with the ultimate solution, a dual interface design compatible with both M-LOK and Key-Mod,...HKP-17594$25.95 -
Carbon-Cleaner - 150 ml Pump
SchleTek
$16.95SchleTek Carbon Cleaner 150 ml Pump SchleTek Carbon Cleaner is a powerful, fast-acting solution designed to remove stubborn carbon buildup from firearms, suppressors, bolts, gas systems, and other precision components. Its advanced formula penetrates...HKP-21729$16.95 -
HK UMP 5 Prong Flash Hider - 5/8x24
HKP HK Parts
$67.95HKP HK UMP 5 Prong Flash Hider - 5/8x24 Compatible With: HK UMPHKP-21523$67.95 -
HK MP5, MP5K Stock and Dual Folding Adapter - Picatinny
Strike Industries
$199.95Strike Industries Dual Folding Stock This Strike Industries stock is ideal for MP5 or MP5K platforms featuring a 1913 Picatinny rail interface. Conveniently compatible with any platform featuring a Picatinny backplate. It offers quick, easy, and...HKP-21306$199.95 -
Out Of Stock
Picatinny Vertical Fixed Unigrip
B&T Brugger & Thomet
$119.00B&T Brugger and Thomet Vertical Fixed Unigrip for Swiss made B&T vertical forend grip for picatinny. Made of aluminum Will fit all mil-spec picatinny rails. Measures long. Specifications: Condition: Factory new Color: Black Material:...HKP-18043$119.00 -
WOOX M-LOK Rail Covers - Teardrop - GEN2
WOOX
$58.95 - $78.95WOOX GEN2 Teardrop M-LOK Rail Covers The teardrop M-LOK rail covers upgrade any M-LOK or KeyMod handguard with a warmer feel, more traction, and added heat protection, while bringing that signature wood look to your build. The GEN2 Teardrop pattern uses...HKP-22462-M$58.95 - $78.95