All Parts
At HK PARTS, we bring you a wide array of high-quality H&K accessories and components for your favorite firearms. Whether you're upgrading your H&K pistol or rifle, or even looking for parts kits, we've got you covered. Discover a range of top-rated components for popular models like VP9, USP, P30, MP5, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, we have it all. Enhance your firearm's performance and functionality with our premium components.
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H&K MP5K 9mm SEF Trigger Group Navy Style- Full Auto - Push Pin - Used
H&K Heckler & Koch
$499.95HK German MP5K SEF Navy Style F/A Trigger Group Complete - Used ON SALE FOR A SPECIAL PROMOTION WHILE SUPPLIES LAST!!! Each trigger group is comprised of 100% genuine Heckler & Koch products Each MP5K trigger group includes the following: German...HKP-18095$499.95 -
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 -
HKP HK VP9 Optics Plate #9 - Trijicon RMR CC Optic Mount
HKP HK Parts
$49.95HK VP9 Series Optics Ready #9 - Trijicon RMR CC - Optic Mount - SteelThe finest all steel mounting solution for your HK VP9 Series Opitc Ready model.New solid billet machined steel optics plate. Each plate is CNC machined from a solid billet of ordnance...HKP-20027$49.95 -
HKP Semi Elbow Spring For Trigger Pack - Match Grade
HKP HK Parts
$3.74Match Grade Semi Auto Spacer Elbow Spring - USAManufactured using the best isolated oil tempered, select spring steel available for match grade performance and the utmost longevity. For use on all HK semi auto trigger packs. A must have for those...HKP-18002$3.74 -
Magpul 50 Round HK MP5, MP5K PMAG D-50 Drum
Magpul
$124.95Magpul - PMAG D-50 - MP5, SP5, Mp5K, SP5K Lightweight but incredibly strong, our PMAG D-50 MP is a highly reliable, 9x19mm Parabellum, 50-round drum magazine for HK94/MP5 large-format pistols and pistol caliber carbines. The PMAG D-50 MP boasts many of...HKP-19536$124.95 -
MP5, MP5-SD Steel Cocking Tube Support - Universal
HKP HK Parts
$49.95MP5-SD, MP5 Universal All Steel Cocking Tube Support 9mm - USAMade from ordnance grade stainless steel from the factory HK German print & specs. An HK German quality part at a great price point. Each MP5 9mm cocking tube support will include the...HKP-18089$49.95 -
PTR HK Mil-Spec AR Stock Adapter & Buffer Tube
PTR
$124.95AR15 to HK 90 series Stock adapter for AR15 stocks that includes the Milspec buffer tube and castle nut to use any Mil-spec AR15/M16 stock of your choice on your HK rifle or SBR build. With the adapter you can use your existing metal backplate, standard...HKP-16583$124.95 -
On Sale
Russian GP5 Gas Mask Kit, New - Soviet Military
Now: $13.95Was: $19.95Russian GP5 Gas Mask Kit, New - Soviet Military New Soviet civil guard gas mask kit. Civil guard kits are the same as Russian military GP5 gas masks but have a grey mask instead of military black. This type of gas mask was stored by the Soviets for the...HKP-20218Now: $13.95Was: $19.95 -
B&T HK MP5 .22LR Folding Stock
B&T Brugger & Thomet
$249.95B&T Folding Stock for MP5 .22lr Swiss made B&T folding stock for the MP5 22lr. This is a military grade stock section as supplied by B&T to HK Germany. B&T Switzerland has supplied these to law enforcement and military units around the...HKP-20166$249.95 -
H&K MP5 40/10 30 Round Magazine
H&K Heckler & Koch
$199.95New HK German MP5 40/10 30 Round Magazine Factory German MP5 40/10 magazine will fit all of the HK MP5 40/10 rifles & pistols, including the Vector, Coharie, and other custom builds & clones. Hard to find & the latest HK German factory...HKP-00430$199.95 -
H&K MP5/SP5/HK94 Wide Forearm
H&K Heckler & Koch
$74.95H&K MP5/SP5/HK94 Wide Forearm German HK MP5 Handguard, also known as the Tropical wide forearm. This is the real deal in HK German and the gold standard of HK MP5 handguard offerings. Compatible With: MP5, 94, SP5 MP5 40/10 MKE, POF, Zenith,...HKP-00174$74.95 -
HKP 91/93/33/G3 (7.62x51 / .308) Enhanced HK Buffer For HK German MSG90 & PSG1
HKP HK Parts
$129.95HKP Enhanced Buffer This buffer is the factory correct style PSG1 & MSG90 stock buffer found in all factory HK PSG1, MSG90 German stocks. The overall diameter is .80" Compatible With: HK 91 G3, 93, 33, or PTR stock.HKP-01014$129.95 -
On Sale
HKP HK P30/P30S Gen 2 Rail Mount Compensator - Black - Blemished
HKP HK Parts
Now: $134.95Was: $179.95HKP HK P30/P30S Gen 2 Rail Mount Compensator - Black - Blemished THIS IS A BLEMISHED ITEM THAT IS COSMETIC ONLY. THIS ITEM IS SOLD AS IS AND NOT ELIGIBLE FOR A RETURN. Crafted from aircraft-grade billet aluminum and finished in durable Cerakote. It has a...HKP-20986-BNow: $134.95Was: $179.95 -
AIM HK 91/G3 (7.62x51 / .308) Extended Rifle Length Handguard - M-LOK
AIM
$84.95HK G3 EXTENDED RIFLE LENGTH HANDGUARD- M-LOKThe most innovative and modular HK variant handguard on the market, our M-Lok HK forend can be used with all modern and traditional shooting techniques. CNC machined aluminum construction makes for a solid,...HKP-18173$84.95 -
H&K 30 Round AR-15 5.56 x 45mm / .223 Magazine - Tan
H&K Heckler & Koch
$99.9530 Round Magazine with Window - Sand Tan - Gen 3 - Heckler & Koch Factory German Heckler & Koch 30-round Gen 3 polymer magazine. Compatible With: HK416 MR223 MR556 AR15 M16 M4 type rifles.HKP-19358$99.95 -
H&K HK 93, 53, MP5, G3 S,U,O Contract Housing - Used
H&K Heckler & Koch
$29.95Contract Housing - Used - S,U,OHK93,HK53 SUO Polymer Lower Housing. Malaysian contract housing for SEF type trigger packs. Used - GoodCompatibility:Â MP5 HK93 HK53 G3 G3KHKP-19912$29.95 -
H&K HK VP9, HK VP40 Half Shell Spring Washer - Black
H&K Heckler & Koch
$4.95VP9, VP9SK & VP40 Spring Washer Half Shell 2 Units Needed For Complete Set. Brand new factory German HKThis item is the item that cradles the firing pin and is covered by the firing pin sleeve and spring assembly.HKP-16832$4.95 -
H&K MP5 & PDW Rear Sight Drum
H&K Heckler & Koch
$71.95MP5 Rear Sight Drum- German This item is the factory-correct rear sight drum for the MP5K PDW or MP5K-N family of firearms. This item is also a popular upgrade for many of the existing clones on the market, as many use factory-incorrect G3 rear sight...HKP-00072$71.95 -
H&K Small Push Pin Replacement Spring
H&K Heckler & Koch
$1.95Replacement Spring for HK style push pin - Small A must have replacement item to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn out springs that come loose while in...HKP-20368$1.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Side or Bottom Rail
H&K Heckler & Koch
$67.95HK Factory German USC/UMP Side Or Bottom Rail W/ Screws Up to three sides can be used - two for the sides and one for the bottom. Best quality and price available anywhere. Made from hard coat anodized aluminum. Please Note: White lettering on rails may...HKP-00597$67.95 -
HKP 18 Round HK P2000/USPC Complete 9mm Magazine - Black
H&K / HK Parts
$79.95HK P2000 +5 magazine extension coupled with a new full-size HK P2000, 13 round magazine. Each unit is then fully assembled as an 18 round HK P2000 magazine. Ideal for competitive shooters, concealed carry or for everyday use while at the range. Each...HKP-18662$79.95 -
HKP Picatinny Rail For HK Receivers - 17 Slot
HKP HK Parts
$69.95HKP Picatinny Rail For HK Receivers - 17 Slot Mil-Spec all steel Picatinny rail in the white. Relief cut for HK receivers and made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver. Compatible With: HK...HKP-01446$69.95 -
HKP Roller +9 - New - 8.09mm
HKP HK Parts
$8.99Roller +9 - New - 8.09mmHK Parts Standard (8.09 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture.Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19438$8.99 -
SB Tactical TF1913 Side Folding Pistol Stabilizing Brace - Picatinny
SB Tactical
$199.95Features: Complete assembly, ready-to-install Advanced steel hinge design locks in both folded and extended positions Pull-through design offering quick deployment Rigid polymer substrate with flexible arm cuff US veteran designed and proudly made in...HKP-19776$199.95 -
Comp-Tac HK VP Series/P Series/USPC Twin Mag Pouch - Black
Comp-Tac
$59.95The Comp-Tac Twin Magazine Belt pouch is an outside the waistband holder that carries two magazines attached together. Designed to be worn at 9:00 for a right handed shooter this is an excellent way to carry more ammunition for competition or general...HKP-17502$59.95 -
H&K HK USP/Mark 23 .45 ACP Magazine Follower
H&K Heckler & Koch
$9.95USP .45 & Mark 23 SOCOM Magazine Follower A great spare to have on hand as this is a wear and replacement item. Compatible With: HK USP 45 ACP 10 Round HK USP 45 ACP 12 Round HK USP .45 Tactical, Elite, Expert HK Mark 23 10 Round HK Mark 23 12...HKP-01586$9.95 -
H&K HK VP9 Supressor Height Sights Optics Ready Slide
H&K Heckler & Koch
$399.95H&K VP9 Optics Ready Slide - Suppressor Height Night Sight - Orange Front Sight HK VP9 OR slide easily converts a standard VP9 or VP9-B into an optics-ready platform. This kit includes cocking supports, complete firing pin assembly, extractor...HKP-19505$399.95 -
Out Of Stock
H&K MP5 SD 9mm Barrel Port Brush
H&K Heckler & Koch
$0.00HK Factory MP5 SD Barrel Port Brush A much-needed barrel brush to keep the barrel clean on all factory HK MP5SD'S. Fits HK factory SD barrels or in-spec clone barrels such as RCM US-made barrels. Compatible With: MP5SD modelsHKP-00137$0.00 -
HKP .45 ACP 16 x 1 LH Micro Comp
HKP HK Parts
$29.95HK Parts Micro Comp - .45 Cal - 16 x 1 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 factory...HKP-20210$29.95 -
On Sale
HKP+5 HK USP/Tactical 9mm Magazine Extension
HKP HK Parts
$37.46 - $49.95HK Magazine Extension +5 Capacity For - USP 9mm Full Size & USP 9mm Tactical Made in the USA out of aircraft grade hard coat anodized aluminum & steel hardware. Ultra low profile & rock solid. With the addition of the +5 mag extension the...HKP-21109-M$37.46 - $49.95 -
Shooting Sight HK MP5, HK 91/93/94, HK G3 & Clones Heckfire 2-Stage Trigger
$399.95Heckfire trigger for MP-5, HK 91/93/94, G3, Clones 2-stage trigger with around 5lb total pull. Drop-in to all lowers. The updated selector levers work for all lowers (you no longer need to tell us if it is an SEF or an AMBI lower) and they cover...HKP-20173$399.95 -
ETS 30 Round MP5 9mm Magazine-Translucent
Elite Tactical Systems
$39.95HK MP5 9mm 30 Round Translucent Magazine MAG FEATURES Fits the H&K MP5, MP5K, HK94, SP89, SP5K, SP5 Works with ETSCAM-RIFLE speed loader Extremely reliable feeding - Even with hollow points Far lighter than steel magazines Fits standard MP5 mag...HKP-18737$39.95 -
On Sale
Gen 5 Glock 17 - 17 Round 9mm Magazine - Black
Glock
Now: $19.95Was: $30.95Glock 17 Magazine | 9mm, 17-Round - Orange Follower Compatible With: Glock 17, 34 Will fit the Glock 19, 26 models but will stick out below the bottom of the grip Features: Capacity: 17 Rounds Caliber: 9mm Construction: Polymer with hardened steel...HKP-19525Now: $19.95Was: $30.95 -
H&K HK USP/USP Tactical Threaded Barrel - Black
H&K Heckler & Koch
$310.99HK USP .45 Tactical Threaded Barrel - 16 X 1 Left-Hand Threaded HK USP 45 German factory threaded barrel for use with flash hiders or sound suppressors. This is a drop in barrel for any of the HK USP .45 pistols. No gunsmith is required as this is an...HKP-00319$310.99 -
HKP Bench Mat - MP5, Zenith, Omega
HKP HK Parts
$24.95The HK Parts MP5 mat is the perfect cleaning & repair mat designed specifically for your Heckler & Koch MP5. Have fun and learn while you work on your favorite H&K firearm. The soft top protects your gun from scratches while the neoprene...HKP-17066$24.95 -
SL8, G36 Bolt Hold Open Lever - Extended - HKP
USA
$59.95Sl8 & G36 Extended Bolt Hold Open LeverNew Sl8, G36, HK243 bolt hold open lever. A must have upgrade for your HK SL8, Sl8-G36 conversion or G36 firearm. The bolt hold open lever is a drop in replacement and requires zero gunsmithing or alterations...HKP-18775$59.95 -
H&K 10 Round HK MP5, MP5K - California Compliant Magazine
H&K Heckler & Koch
$88.95California Complaint Magazine 10-30 - MP5, MP5K - German - New This California compliant magazine has a 10 round block pre-installed which converts a factory 30 round magazine into a 10 round magazine. This is the best option to stay legal in...HKP-20670$88.95 -
Kaw Valley Precision Mach 3 Modular Linear Comp Body
Kaw Valley Precision
$49.95The KVP MACH Modular Linear Comp is a Patent Pending linear compensator system that is completely user configurable! If you've struggled to find a comp the correct length for the perfect "tuck," configure your own! By utilizing 1-1/8"x28 TPI internal...HKP-19984$49.95 -
RCM MP5 SD 9mm Locking Piece - 120 Degree
RCM
$39.95MP5 SD 120 Degree Locking Piece - USThis locking piece is a US made version of the factory German MP5SD 120 degree locking piece. This was the German locking piece that was marked #5 when HK Germany used to make them. Each locking piece is made 100%...HKP-16715$39.95 -
RCM MP5K/SP89 9mm Full Auto Bolt Carrier
RCM
$179.95MP5K Full Auto Bolt Carrier - US- Made - RCM This part is machined from billet ordnance steel. Our US-made MP5K carrier is made to the most updated and latest MP5K F specs. Tungsten filled, heat treated, and factory fresh production. Providing the finest...HKP-01190$179.95