HK 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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On Sale
HKP HK UMP (.45 ACP) 25 Round Magazine
HKP HK Parts
Now: $34.95Was: $49.95HKP HK UMP (.45 ACP) 25 Round Magazine Made from advanced polymer material with steel feed lips just like the German UMP 45 magazine. Compatible With: HK UMP .45 LWRC SMG .45 (This magazine is the factory OEM magazine for the LWRC SMG 45) Gideon...HKP-16448Now: $34.95Was: $49.95 -
RennSteig 8 Piece Punch Set For HK Firearms
RennSteig
$34.95Metric Parallel Pin Punch Set With Guide Sleeves - German Manufacture - 8 Piece This punch set is the exact same set used in the HK Armorer classes and approved by HK for use when installing & removing the roll pins from HK pistols & rifles...HKP-16737$34.95 -
Maglula MP5/SP5 Magazine Loader/Unloader
Maglula
$29.95Maglula Mag Loader/Unloader When using this part, the magazines can be loaded in 1/3 (60% less) of the time than loading by hand; this equates to more time shooting and less time loading. Features: Easy to use (step-by-step instructions included) Loads...HKP-14546$29.95 -
HKP Chamber Face Brush For All Barrels
HKP HK Parts
$25.99HKP Chamber Face Brush For All Barrels This brush was specifically designed to clean those hard-to-reach nooks and crannies in the barrel face. Threaded to fit all standard 8/32 US cleaning rods. Compatible With: G3, 91, PTR 93, 33, 53 MP5, MP5SD,...HKP-00140$25.99 -
On Sale
HKP Armorers Bench Block Tool
HKP HK Parts
Now: $9.95Was: $14.95HK Parts Armorers Puck Punch Bench Block Tool For All HK Firearms The HK armorers' puck punch bench block tool is standard issue at all HK armorers' courses. The purpose of the tool is to aid in installing axle and roll pins in your firearm while...HKP-17133Now: $9.95Was: $14.95 -
HKP Vertical Grip - Picatinny Mount - Short
HKP HK Parts
$24.95HKP Vertical Grip - Picatinny Mount - Short This grip is by far the nicest shorter style or stubby grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. This is the only vertical grip out there...HKP-16409$24.95 -
HKP Universal M-LOK Short Grip
HKP HK Parts
$24.95HKP Universal M-LOK Short Grip Short vertical grip for M-LOK. This grip is by far the nicest shorter style or stubby grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. Features: Just...HKP-20681$24.95 -
H&K German Sling Hook - Black
H&K Heckler & Koch
$8.95H&K German Sling Hook - Black New old stock HK German sling hook. Made from steel not the cheap aluminum or zinc offerings found elsewhere. Made in Germany. Great For HK sling projects and for spares. The real deal. This is the sling hook that all...HKP-19433$8.95 -
HKP Vertical Grip - Picatinny Mount - Long
HKP HK Parts
$24.95HKP Vertical Grip - Picatinny Mount - Long This rock-solid grip is a must-have for anyone who uses a vertical grip. This is the only vertical grip that offers a built-in aluminum locking block for ease of attachment security. Features: Attaches in...HKP-15296$24.95 -
HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) 4 Piece Picatinny Rail Set
HKP HK Parts
$149.95HK UMP, USC Rail Set Complete A complete set of rails for your HK UMP/USC featuring an extended top rail for mounting your optic of choice. The rails are scratch resistant, class 3 mil-spec hard coat anodized. Each set includes the top rail, all 3 side...HKP-17429$149.95 -
H&K .45 ACP Thread Protector - Threaded 16x1 LH
H&K Heckler & Koch
$24.95H&K .45 ACP Thread Protector - Threaded 16x1 LH The cap fits all HK45 full size & compact barrels threaded 16x1 LH hand thread. A must have item to protect your threaded barrels, exposed threads, and your HK pistol investment. The use of the...HKP-00297$24.95 -
HKP Single Point Sling - HK Style - Black
HKP HK Parts
$34.95HK Single Point Sling in Black This is a very nice sling for the money. It also has quick detach buckles that allow quick changes and removal. Specifications: Composition: Thick, all-black, heavy-duty Style: Bungee-type design for...HKP-02644$34.95 -
MFI Snap Sling Hook 1.25"
MFI
$4.95HK Style 1.25" Snap Hook For Sling This sling hook is designed for wider 1.25" width slings. Made in the USA, and is great for HK sling projects and spares. We offer the 1" and the 1.25" sling hooks for all your HK projects.HKP-01523$4.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Rear Stock Axle Pin - Swiss
Swiss
$14.95UMP & USC Rear Stock Axle Pin - Swiss This is the rear stock pin that allows you to attach the stock to either the factory receiver of a UMP or for those who are doing the USC to UMP conversion. This pin is required to...HKP-02591$14.95 -
HKP .45 ACP Micro Comp - Threaded .578x28 RH
HKP HK Parts
$29.95HKP .45 ACP Micro Comp - Threaded .578x28 RH The HK Parts micro comp & thread protector is designed to be lightweight, and functional as both a compensator and thread protector. The HK Parts micro comp easily attaches to the end of any factory spec ...HKP-20212$29.95 -
HKP Universal M-LOK Long Grip
HKP HK Parts
$24.95HKP Universal M-LOK Long Grip This grip is by far the nicest grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. This is the only vertical grip out there that offers a built in aluminum...HKP-20680$24.95 -
HKP HK UMP (.45 ACP) 15 Round Magazine
HKP HK Parts
$49.95UMP, SMG .45 ACP 15 Round Magazine - USA Compact 15 round magazine will fit all HK UMP .45 caliber carbines, SMG's as well as the USC-UMP .45 caliber converted firearms. Each magazine features, steel feed lips, and robust polymer construction. Each mag...HKP-17585$49.95 -
H&K UMP (.40 S&W/.45 ACP/9mm) Folding Stock
H&K Heckler & Koch
$138.95HK German UMP Folding Buttstock Brand new German HK folding stock. This is a required part for the USC-UMP Conversion using the (stock block B). All UMP folding stocks come with an HK date code. Compatible With: HK UMP .45 HK UMP .40 HK UMP 9mm HK...HKP-00252$138.95 -
HKP Single Point Sling - Quick Detach - Black
NcSTAR
$29.95HKP Single Point Sling in Black - Quick Detach Specifications: Style: bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic cover Heavy duty 1.5" wide adjustable nylon webbing and elastic bungee...HKP-19767$29.95 -
On Sale
B&T HK MP5K, HK SP5K UMP B&T Folding Stock - Black
B&T Brugger & Thomet
Now: $249.95Was: $324.95B&T HK MP5K, HK SP5K UMP B&T Folding Stock B&T stock foldable polymer with adapter for HK MP5K. These are hard to find and the real deal. 100% Swiss & German HK made. This is a military grade stock. B&T Switzerland has supplied these...HKP-16944Now: $249.95Was: $324.95 -
HKP Armorer's Tool Kit
HKP HK Parts
$67.95HKP Armorer's Tool Kit Includes: HK Parts Armorers Puck Punch Bench Block Tool 8 Piece German Rennsteig punch set 20 Piece German Feeler gauge setHKP-18659$67.95 -
H&K UMP (.45 ACP) 25 Round Magazine
H&K Heckler & Koch
$145.95New HK German Non-LE/Mil Marked UMP .45 ACP 25 Round Magazine The UMP .45 magazines will fit all UMP factory firearms as well as the USC's that have been converted to accept UMP magazines. Compatible With: HK UMP .45 HK USC to UMP . 45 conversions HK...HKP-00605$145.95 -
25 Round HK UMP 45 LWRC SMG 45 Magazine - FDE
USA
$49.9525 Round HK UMP 45 LWRC SMG 45 Magazine - FDE Made from advanced polymer material with steel feed lips, just like the German UMP 45 magazine, at a fraction of the cost. Compatible With: HK UMP .45 LWRC SMG .45 (This magazine is the factory OEM magazine...HKP-20367$49.95 -
HK UMP/USC (.40 S&W/.45 ACP/9mm) Side, Bottom Rail With Hardware
UTG
$24.95HK UMP, USC Side, Bottom Rail With Mounting Hardware - Aluminum Listing is for one rail. The UMP/USC can use up to 3 of the rails on the forearm section of the firearm. 1 each for the sides and 1 for the bottom for a total of 3 rails. Each rail is made...HKP-00598$24.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Barrel Roll Pin
H&K Heckler & Koch
$11.94HK German USC, UMP Barrel Pin - German HK recommends replacing the barrel pin when the barrel is removed with a new barrel pin. This is a great spare part to have on hand. The factory-correct barrel pin for all HK UMP & USC models. A great upgrade...HKP-00603$11.94 -
Universal Cleaning Kit - Used
H&K Heckler & Koch
$4.95Original German Army Issue HK91/G3/PTR Cleaning Kit - Surplus Each cleaning kit kit comes complete with brass brush, oil brush, oil tube, hand cleaning brush, and pull chain. Compatible With: G3, 91, PTR, C308, CETME 93, 33, 53 MP5, MP5SD, 94 MP5K,...HKP-15612$4.95 -
HKP .45 ACP Micro Comp - Threaded 16x1 LH
HKP HK Parts
$29.95HKP .45 ACP Micro Comp - Threaded 16x1 LH The HK Parts Micro Comp & Thread Protector combines lightweight design with dual functionality as both a compensator and thread protector. It easily attaches to any factory spec 16x1 LH .45 ACP barrel,...HKP-20210$29.95 -
HKP HK UMP .45 & UMP .40 Dual Magazine Clamp
$49.95UMP .45/.40 Dual Magazine Clamp The UMP mag clamp fits all .45 and .40 UMP magazines. Holds two magazines together for ease of use and easy access to 2 magazines. Billet machined and hard coat anodized. Features: Made in the USA Dual-Magazine...HKP-19539-M$49.95 -
On Sale
HKP HK UMP (9mm) 30 Round Magazine
HKP HK Parts
Now: $39.95Was: $49.95UMP 9mm 30 Round Factory Magazine - USA UMP 30 round magazine for the UMP. Each magazine features enhanced steel feed lips, and a 30 round magazine capacity. Each magazine counts as 3 U.S. Made compliant parts as an added bonus! This is the finest...HKP-17701Now: $39.95Was: $49.95 -
HKP UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer
$11.95HKP USC & UMP Recoil Buffer Replaceable spare lower housing or buffer for buffer housings. This is a high wear & replacement item and a must have for spare parts. Compatible With: HK USC .45 HK UMP modelsHKP-18746$11.95 -
H&K UMP (.45 ACP) 25 Round Magazine Spring
H&K Heckler & Koch
$9.95H&K UMP (.45 ACP) 25-Round Magazine Spring Perfect for spares and to have on hand as these are a consumable item that needs to be replaced from time to time. A must-have item if you own a USC/UMP conversion or UMP.HKP-01548$9.95 -
Out Of Stock
B&T Quick Detach Short Style Vertical Grip - Black
B&T Brugger & Thomet
$74.95B&T Quick Detach Short Style Vertical Grip - Black Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of black polymer and includes a water tight storage compartment in the bottom of the...HKP-17679$74.95 -
H&K USC (.45 ACP) 10 Round Magazine
H&K Heckler & Koch
$68.95HK German Factory 10 Round USC .45 Magazine This is the only magazine that HK offers for HK USC unless you want to upgrade to the USC-UMP style of conversions. Compatible with all HK USC Carbines.HKP-00811$68.95 -
H&K UMP (.40 S&W/.45 ACP/9mm) Safe/Semi Lower - 2 Position
HKP HK Parts
$495.99New HK Parts -UMP Safe, Semi FBI (0,1) Lower Each lower comes complete with 2 position settings (S, F) and all the internals. This item is ideal for the USC to UMP conversion or to keep as a spare. Compatible With: UMP .45 UMP .40 UMP 9mm USC...HKP-00590$495.99 -
HKP .45 ACP Vented Micro Comp - Threaded 16x1 LH
HKP HK Parts
$29.95HKP .45 ACP Vented Micro Comp - Threaded 16x1 LH The HK Parts micro comp & thread protector is designed to be lightweight, and functional as both a compensator and thread protector. The HK Parts micro comp easily attaches to the end of any...HKP-20211$29.95 -
HKP HK UMP 45, SMG 45 Magazine Loader
HKP HK Parts
$39.95HKP HK UMP 45, SMG 45 Magazine Loader The enhanced loader is the finest loader available for UMP 45 magazines. Speed up your load time and save your thumb in the process. Made in the USA. Compatible With: H&K UMP & USC 45 magazines LWRC SMG 45...HKP-19662$39.95 -
Magpul M-LOK 3 Slots Rail Section
Magpul
$18.95Magpul M-LOK 3 Slots Rail Section Designed for use with all M-LOK compatible hand guards and forends, M-LOK aluminum rail sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined...HKP-20495$18.95 -
HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) Enhanced Top Receiver Rail
HKP HK Parts
$49.95HK USC & UMP Top Receiver Rail With Hardware - US Made The extended length allows the use of all optics that fit on a Picatinny rail. This unit has a contoured, no-snag design for ease of use and a beautiful fit. Made from billet machined aluminum...HKP-14541$49.95 -
HK German Vertical Grip - Black
H&K Heckler & Koch
$99.95HK German Vertical Grip - Black Each HK Vertical Grip features factory HK markings & HK's unique locking system. HK's Vertical Grip has an HK-designed rock-solid attachment system that is self-contained in the grip and requires no tools for...HKP-00034$99.95 -
AntiVenom-XPLC Lubricant and Cleaner
Strike Industries
$14.95AntiVenom-XPLC Lubricant and Cleaner Strike Industries introduces the industry's most extreme general purpose weapons lubrication, cleaning, and protection solution. Strike Industries AntiVenom-XPLC is the culmination of years of research and...HKP-18410$14.95