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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HK UMP (.45 ACP) 25 Round Magazine
HKP HK Parts
$49.95HK UMP 45 magazine & LWRC SMG45. Made from advanced polymer material with steel feed lips just like the German UMP 45 magazine. This UMP 45 magazine will fit all HK UMP 45 firearms as well as the LWRC SMG 45 and other UMP style builds such as...HKP-16448$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 -
HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) 4 Piece Picatinny Rail Set
HKP HK Parts
$149.95HK UMP, USC Rail Set CompleteA complete set of rails for your HK UMP/USC carbine. Each set includes the finest rail set available with the improved side for no sharp edges, upper rail is an extended rail to offer more room for preferred fitment of your...HKP-17429$149.95 -
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 -
Out Of Stock
H&K MP5 & MP5K 9mm Cleaning Kit
H&K / HK Parts
$84.95HK MP5, HK SP5, HK94 & MP5K, SP89, SP5K cleaning kit complete. Includes: Saf-T-Clad Cleaning Rod Accessory Adapter Section #8-32 Patch Holder HK Chamber Face Brush (Made in the USA) 9mm MP5 Barrel Flute Brush Phosphor Bronze Bore Brush Double-Ended...HKP-00347$84.95 -
Maglula Mag Loader/Unloader
Maglula
$29.95Constructed of high impact durable polymer, the MP5 LULA is an MP5 magazine loading and unloading tool. Each loader is made to quickly load and unload your 9mm MP5 magazines in seconds. This will allow you to do more shooting and less loading. With this...HKP-14546$29.95 -
H&K German Sling Hook - Black
H&K Heckler & Koch
$8.95New 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 others look up to. Hard to find. 1"...HKP-19433$8.95 -
HKP Vertical Grip - Picatinny Mount - Long
HKP HK Parts
$29.95This 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 locking block for ease of security...HKP-15296$29.95 -
HKP Chamber Face Brush For All Barrels
HKP HK Parts
$25.99HKP Chamber Face Brush For All Barrels This brush was made to clean the hard-to-reach and hard-to-clean barrel face. This is a must-have addition for cleaning your HK firearm. This item will fit all standard 8-32 US thread cleaning rods. Compatible...HKP-00140$25.99 -
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 HK UMP (9mm) 30 Round Magazine
HKP HK Parts
$49.95UMP 9mm 30 Round Factory Magazine - USAUMP 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-17701$49.95 -
HKP HK UMP (.45 ACP) 15 Round Magazine
HKP HK Parts
$49.95UMP, SMG .45 Cal 15 Round Magazine - USAEach ultra compact 15 round magazine will fit all HK UMP .45 caliber carbines, SMG's as well as the USC-UMP .45 caliber conversions. Each magazine features, steel feed lips, enhanced polymer contruction and all...HKP-17585$49.95 -
HK UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer
$11.95HK USC & UMP Recoil BufferReplaceable Spare Lower Housing Or Buffer For Buffer Housings. This Is A High Wear & Replacement Item And A Must Have For Spare Parts. Fits ALL UMP & USC Lowers. HK USC .45 HK UMP modelsHKP-18746$11.95 -
Out Of Stock
H&K 9mm Barrel Flute Cleaning Brush
H&K Heckler & Koch
$0.00This HK manufactured brush is a must have for the proper care of your HK 9mm Rifle/Pistol as the flutes need to be clean and free of carbon for proper function. A must have cleaning tool to have on hand and to save time and money. Take care of gear and...HKP-00138$0.00 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Rear Stock Axle Pin - Swiss
Swiss
$14.95Swiss made UMP stock axle pin. This Is The Rear Stock Pin That Allows You Attach The Stock To Either The Factory Receiver Of A UMP or For Those That Are Doing The USC to UMP Conversion. This Is Required To Attach The Stock To The Needed Stock Block...HKP-02591$14.95 -
Maglula Universal Magazine Loader
Maglula
$34.95This loader we feel is the finest loader available for the wide variety of the HK pistol magazines. Will also work with Glock, Sig, XD, and most other pistol magazines. A must have for every shooter. Makes all reloads faster and easier on the...HKP-14531$34.95 -
HKP Vertical Grip - Picatinny Mount - Short
HKP HK Parts
$29.95Stubby Vertical Grip For Picatinny Rail- HK Style 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...HKP-16409$29.95 -
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 -
H&K UMP (.45 ACP) 25 Round Magazine
H&K Heckler & Koch
$95.95New 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$95.95 -
GSG9 HK UMP Folding Stock - Black
GSG9
$99.95UMP Folding Buttstock - GSG9New UMP folding stock. This is a required part for the USC-UMP Conversion using the (stock block B). HK UMP .45 HK UMP .40 HK UMP 9mm HK USC-UMP conversionsCan also be used on B&T firearm and stock applications for a 1"...HKP-19910$99.95 -
25 Round HK UMP 45 LWRC SMG 45 Magazine - FDE
USA
$49.95HK UMP 45 magazine & LWRC SMG45 - FDEMade from advanced polymer material with steel feed lips just like the German UMP 45 magazine at a fraction of the cost. This UMP 45 mag will fit all HK UMP .45 firearms as well as the LWRC SMG 45 and other UMP...HKP-20367$49.95 -
B&T HK MP5K, HK SP5K UMP B&T Folding Stock - Black
B&T Brugger & Thomet
$274.95Swiss & German HK B&T Folding Stock With Factory German HK UMP Rear Stock Section WHILE SUPPLIES LAST!! These are hard to find and the real deal. 100% Swiss & German HK Made. Fits all HK MP5K's, SP89's or clones (NFA rules apply). This is a...HKP-16944$274.95 -
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 -
HKP Armorer's Tool Kit
HKP HK Parts
$67.95HK Parts Armorers Puck Punch Bench Block Tool 8 Piece German Rennsteig Punch Set 20 Piece German Feeler Gauge SetHKP-18659$67.95 -
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 Single Point Sling - Quick Detach - Black
H&K Heckler & Koch
$29.95HK Single Point Sling in Black - Quick DetachSpecifications: Composition: Thick, all black, heavy-duty Cordura nylon Style: Bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic cover Heavy duty 1...HKP-19767$29.95 -
HKP Universal M-LOK Short Grip
HKP HK Parts
$29.95Short 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. Just like the other full-size offering,...HKP-20681$29.95 -
HKP HK UMP .45 & UMP .40 Dual Magazine Clamp
$49.95UMP .45/.40 Dual Magazine Clamp/CouplerThe UMP mag clamp fits all .45 and .40 UMP magazines. Holds two magazines together for ease of use and easy access to 2 magazines. Made in the USA. Billet machined and hard coat anodized. Dual-Magazine clamp for...HKP-19539$49.95 -
Universal Cleaning Kit - Used
H&K Heckler & Koch
$4.95Original German Army Issue HK91/G3/PTR Cleaning Kit - SurplusEach cleaning kit kit comes complete with brass brush, oil brush, oil tube, hand cleaning brush, and pull chain. Originally built for the G3,91 & MG3 but will work on all .308 - .351 .cal...HKP-15612$4.95 -
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. 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 in the USA. Made from billet machined aluminum...HKP-14541$49.95 -
H&K Receiver & Magazine Cleaning Brush For All HK's
H&K Heckler & Koch
$24.95HK Receiver & Magazine Cleaning Brush For All HK's Fits all standard 8-32 US thread cleaning rods. Made and designed for cleaning the HK magazines as well as the upper and lower receivers and mag wells. Works with HK and non-HK applications alike.HKP-00141$24.95 -
Safariland Silicone Gun & Reel Cloth
Safariland
$3.95Silicone gun cloth for all HK firearms to preserve and protect your firearms finish. Will also work for any firearm, magazine or part. A great way to protect your collectibles.HKP-17630$3.95 -
HK MP5 .22LR UMP Style Folding Stock
USA
$259.95New Complete MP5 .22lr Folding Stock with GSG9 UMP Style Stock Section. Each stock uses a UMP Style Stock for a longer length of pull and a includes a new CNC Machined Stock adapter specifically designed for the MP5 .22LR. This adapter is for stock...HKP-20167$259.95 -
AntiVenom-XPLC Lubricant and Cleaner
Strike Industries
$14.95Strike 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 fine-tuning, both on the range and in the lab...HKP-18410$14.95 -
HK Contract 3 Point Sling - Black
H&K Heckler & Koch
$52.95German military surplus 3 point HK sling in like new condition. These slings are 100% operational and a great value for the money. This is the best valued HK 3 point sling available on the market.HKP-19186$52.95 -
Magpul M-Lok MVG Vertical Grip
Magpul
$22.95M-LOK? MVG® VERTICAL GRIP M-LOK SLOT SYSTEMThe M-LOK MVG is a light weight, inexpensive vertical foregrip that attaches directly to M-LOK compatible hand guards and forends with no additional Picatinny rails required. Made from the same high quality...HKP-17321$22.95 -
B&T Short Style Vertical Grip - Black
B&T Brugger & Thomet
$74.95B&T Short Style Vertical Grip - Black B&T Vertical Grip - Short Style- Fixed Swiss made B&T short vertical forend grip. This foregrip is designed to be easily attached to the picatinny rail using the knurled screw. Made of black polymer and...HKP-18426$74.95 -
HK Contract 3 Point Sling - OD Green
H&K Heckler & Koch
$52.95HK contract 3 point sling NIW. This is the best valued HK 3 point sling available for the HK 90 series of firearms. HK Green in color.HKP-19184$52.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Barrel Roll Pin
H&K Heckler & Koch
$8.95HK 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$8.95 -
HKP HK UMP 45, SMG 45 Magazine Loader
HKP HK Parts
$39.95The enhanced loader is the finest loader available for UMP 45 magazines. Taking into account all of the options the original HK German loader offered. While adding in comfort and aesthetic details and upgrades to offer the finest loader on the market. A...HKP-19662$39.95