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, MP5K, 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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USA HK UMP/USC .45 Semi Auto Bolt Carrier - Complete
USA
$399.95USA HK UMP/USC .45 Semi Auto Bolt Carrier - Complete Replacement part for USC to UMP conversions. Marked .45 semi auto just like the OEM carrier. Includes: Extractor Firing Pin Firing Pin Spring Firing Pin Retaining Pin Compatible With: HK UMP ...HKP-18588$399.95 -
On Sale
B&T MP5 Ambi Tactical Sling
B&T Brugger & Thomet
Now: $93.95Was: $169.95B&T MP5 Ambi Tactical Sling Originally designed around the MP5 platform, this versatile B&T sling can be used in single and two-point configurations for any firearm with at least one sling attachment point.HKP-17291Now: $93.95Was: $169.95 -
Bore Boss Pull-Through Bore Cleaner - .357/9mm/.38
Bore Boss
$10.95Real Avid Bore Boss Pull-Through Bore Cleaner - .357/9mm/.38 From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The single-piece...HKP-19400$10.95 -
Comp-Tac HK P30/HK45C International RH Holster - Black
Comp-Tac
$84.95Comp-Tac HK P30/HK45C International RH Holster - Black The International is an outside the waistband (OWB) holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holster is perfect for...HKP-19585$84.95 -
Comp-Tac HK VP9 Lever + Align Tactical Holster – Right Hand
Comp-Tac
$89.95Comp-Tac HK VP9 Lever + Align Tactical Holster – Right Hand At last a custom made Comp-Tac International OWB holster for your HK pistol that allows you to have the align tactical takedown lever installed. Manufactured by the best holster company in...HKP-20870$89.95 -
H&K 91/G3 (7.62x51/.308) Rear Sight
H&K Heckler & Koch
$28.95HK German Factory Rear Sight Assembly With Drum Assembly - New Each rear sight is a brand new, old stock genuine Heckler & Koch rear sight. Comes as shown. Mounting hardware is offered separately. Now out of production, it's rare and hard to find in...HKP-00361$28.95 -
H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch
H&K Heckler & Koch
$49.95H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch 2 X New/like new HK German 20 round aluminum magazine with green cloth mag pouch combo deal: 2 X 20 round aluminum magazines and green cloth mag pouch. Compatible...HKP-15792$49.95 -
H&K Cocking Tube End Cap Detent
H&K Heckler & Koch
$4.95HK German Cocking Tube End Cap/Dust Cap Detent HK German cocking tube detent for all steel and aluminum cocking tube end caps. Made of steel and finished in black.HKP-18050$4.95 -
H&K G3 (7.62x51/.308) Parts Kit
H&K Heckler & Koch
$497.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit Each parts kit comes with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit except for the barrel and receiver. Each part of the parts kit will vary from fair to excellent...HKP-00827$497.95 -
H&K HK 45C German Barrel
H&K Heckler & Koch
$234.95HK45C German Barrel Genuine Heckler & Koch HK45 Compact standard length, non-threaded, factory barrel. This is a great item to have as a spare.HKP-01641$234.95 -
H&K HK 45C/45C Tactical Backstrap - Medium - Black
H&K Heckler & Koch
$29.95HK45 Compact Back Strap Medium Compatible With: HK45 Compact HK45 TacticalHKP-01617$29.95 -
Out Of Stock
H&K HK MR556/MR223 Upper Receiver w/ F/A & Ejection Door
H&K Heckler & Koch
$694.95New HK German Partially Pre-Assembled MR556/MR223 Upper Receiver Each unit comes just as shown with the F/A (forward assist) assembly and ejection port door assembly installed from the HK factory. Compatible With: HK MR556 HK MR223 HK...HKP-16950$694.95 -
H&K HK MR556/MR762/416/417 Disconnector Spring
H&K Heckler & Koch
$5.95HK416, HK417, MR556, & MR762 Disconnector Spring- Short This is the shorter spring of the 2 found in the trigger assembly. Compatible With: MR556 MR762 HK 416 HK 417HKP-02675$5.95 -
H&K HK MR762, 417, G28 Ejection Cover Axle Spring
H&K Heckler & Koch
$9.95HK417, MR762 Ejection Cover Axle Spring New Hk German manufacture for the MR762 & HK 417 firearm. The spring is used on the axle and ejection port cover door to allow it to be closed and spring open. Compatible With: MR762 HK 417 G28HKP-16753$9.95 -
H&K HK USP Recoil Rod Secondary Buffer Spring
H&K Heckler & Koch
$9.95HK USP Recoil Rod Secondary Buffer Spring This is the spring found under the larger primary recoil spring on the recoil assembly Compatible With: HK USP 45 HK USP 40 HK USP 9mm All HK USP Tactical models HK Elite, ExpertHKP-02470$9.95 -
H&K HK USP Slide Release Lever
H&K Heckler & Koch
$64.99HK USP Slide Release Lever Compatible With All USP Full Size Pistols & All USP Full Size Variants Below: USP 45 USP 40 USP 9mm USP Tactical (all calibers) USP Expert (all calibers) USP Elite (all calibers)HKP-01674$64.99 -
H&K HK USP/USPC/45/45C Sear Roll Pin
H&K Heckler & Koch
$6.95Sear Roll Pin HK USP 9mm .40 S&W .45 ACP HK USP Compact 9mm .40 S&W .357 SIG .45 ACP HK45 HK45 CompactHKP-01815$6.95 -
H&K HK USPC .40 S&W Recoil Rod Assembly
H&K Heckler & Koch
$89.95Recoil Spring Guide Rod Assembly Complete For The HK USP Compact 40 Cal & .357 SIG New HK German factory part. This is a great spare or replacement item to have on hand. Compatible With: HK USP Compact 40 Cal HK USP Compact .357 SIGHKP-01479$89.95 -
H&K MP5 40/10 Chamber Flute Brush
H&K Heckler & Koch
$29.95New HK German MP5 40, MP5 10mm Chamber Flute Brush This is a must-have brush to keep the flute clean and the firearm running the way it should. Get this item while you can, it is no longer in production and is hard to find. Compatible With: MP5 40 MP5...HKP-00139$29.95 -
H&K MP5/MP5K Muzzle Protector Cap - 3-Lug
H&K Heckler & Koch
$19.95H&K MP5/MP5K Muzzle Protector Cap - 3-Lug New HK German high impact polymer muzzle protector, sealing cap. Simply slide the barrel cap over the exposed HK MP5/MP5K 3-lug barrel and remove when needed. A must have for sealing the muzzle end of the...HKP-17666$19.95 -
Out Of Stock
H&K P30 9mm Tactical Barrel - Threaded 1/2x28 RH
H&K Heckler & Koch
$449.95H&K P30 9mm Tactical Barrel - Threaded 1/2x28 RH Each HK German barrel now includes a factory HK German thread protector, designed specifically for threaded P30 barrels in 1/2x28. We start with a new HK German P30L barrel, professionally fitted to...HKP-19964$449.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Cocking Lever Spring
H&K Heckler & Koch
$8.95HK UMP & USC Cocking Lever Spring A great spare part to have on hand.HKP-01886$8.95 -
HK G36/SL8 (5.56/.223) Cocking Handle Spring
$9.95G36 Cocking Handle Spring- US Made Compatible With: G36 All variants SL8 All variantsHKP-18369$9.95 -
HKP (5.56/.223) & (7.62x51/.308) 4 Prong Micro Flash Hider - Threaded 15x1 RH
$64.95HKP (5.56/.223) & (7.62x51/.308) 4 Prong Micro Flash Hider - Threaded 15x1 RH New shorter "micro" version US-made 4-prong flash hider threaded 15x1 RH. Micro FH will fit all HK .223 & .308 threaded barrel applications and barrels. Made from...HKP-02189$64.95 -
HKP (5.56/.223) & (7.62x51/.308) Linear Compensator - Threaded 5/8x24 RH
HKP HK Parts
$149.95HKP (5.56/.223) & (7.62x51/.308) Linear Compensator - Threaded 5/8x24 RH This compensator is new and made in the USA. It is the best quality & price in the country. Specifications: Threaded 5/8x24 Compatible With: HK G3/91/PTR HK...HKP-19338$149.95 -
HKP .45 ACP 4 Prong Pistol Flash Hider - Threaded .578x28 RH
USA
$74.95HKP .45 ACP 4 Prong Pistol Flash Hider - Threaded .578x28 RH This flash hider adds a neat look & feel that provides outstanding flash hiding capabilities. Perfect for adding a unique look to your .45 ACP. Made in the USA, each flash hider is made of...HKP-02188$74.95 -
HKP 15 Round HK VP9SK, HK P30SK 9mm Magazine with Finger Rest - Black
HKP HK Parts
$79.95HK VP9SK & P30SK 9mm - 15 Round Magazine with HK Black Finger Rest New German VP9SK/P30SK HK manufacture 10 round magazine body, follower, spring, locking plate combined with the HK Parts +5 magazine extension installed & ready to use. This...HKP-20568$79.95 -
HKP Comp Weight™ HK VP9, VP40 Quick Detach Compensator
HKP HK Parts
$149.95 - $199.95HKP Comp Weight™ HK VP9, VP40 Quick Detach Compensator The perfect addition to your HK VP9/VP40 firearm with our low profile, aggressive Comp Weight™ that flows with the lines of the gun for a seamless addition. Our patent-pending design...HKP-21080-M$149.95 - $199.95 -
HKP HK UMP (9mm ) 15 Round Magazine
HKP HK Parts
$49.95UMP 9mm 15 Round Factory Magazine - USA UMP 15 round magazine for the UMP. Each magazine features steel feed lips, and a full 15 round magazine capacity. A small compact magazine for specific operational requirements. Each magazine counts as 3 U.S. Made...HKP-17849$49.95 -
HKP HK UMP, USC Lower Bolt Catch
HKP HK Parts
$22.95HK UMP & USC Bolt Catch For Last Round Hold Open New HK USA lower bolt catch. Compatible With: HK UMP HK USCHKP-19565$22.95 -
HKP MP5 9mm SEF Semi Trigger Pack - Match
HKP HK Parts
$479.95HKP MP5 9mm SEF Semi Trigger Pack - Match We have one of the best HK gunsmiths in the country that is able to take hand picked German HK F/A trigger packs and modify them to semi-auto. This is done with the best and most precise machinery and jigs...HKP-17658$479.95 -
Lancer 30 Round AR-15 Magazine
Lancer
$29.95Lancer 30 Round AR-15 Magazine Lancer set out to design a better 5.56 magazine, one with the reliability of steel and the durability and weight of the polymer. The L5AWM’s exclusive hybrid design includes a hardened steel feed lip assembly...HKP-21188$29.95 -
Magpul HK 91/G3 (7.62x51/.308) Complete Stock - Enhanced Buffer
Magpul
$899.95LAST REMAINING UNITS. Magpul PRS Stock With Enhanced Buffer InstalledThe Magpul PRS2 (Precision Rifle/Sniper) G3 Model is a drop-in, precision-adjustable butt stock especially designed for the HK G3/91/PTR rifle and its variants. Designed to offer the...HKP-16698$899.95 -
MGW HK VP9, HKVP40 Range Master Universal Sight Tool - Black
HKP HK Parts
$249.95Range Master Universal Sight Tool For - VP9 & VP40 Models HK sight tool used for installing & removing front & rear sights on your HK pistol. This is the finest sight tool that has replaceable shoes that you can swap from one model to the...HKP-18679$249.95 -
Out Of Stock
MM HK 21E (7.62x51/.308) Belt Box
Michaels Machines
$624.95HK21E & MM21E Belt Box Brand new HK21E, MM21E US made feed box. The German units have long since been out of production. These are exact replicas of the German units. Made in the USA. Compatible With: HK21E MM21EHKP-17752$624.95 -
Remington Defense HK 416 14.5" Handguard - FDE
Defense Remmington
$999.95Remington Defense Handguard Assembly Kit - 14.5" - HK 416 - Tan The most popular handguard for DEVGRU, SEAL teams and other special operators. This is a one time deal once these are gone there will be no more. Compatible With: 14.6 &...HKP-19491$999.95 -
SilencerCo ASR .30 Cal AC233 Flash Hider - Threaded 15x1
$92.95SilencerCo ASR .30 Cal AC233 Flash Hider - Threaded 15x1 The SilencerCo ASR .30 Cal AC233 Flash Hider is designed for use with ASR (Active Spring Retention) mounts, providing a quick attach/detach system compatible with nearly all SilencerCo suppressors...HKP-19507$92.95 -
Tommy Built HK G36, HK SL8 Carry Handle Top Rail - Black
Tommy Built
$349.95Tommy Built HK G36, HK SL8 Carry Handle Top Rail - Black G36 carry handle style top rail with rear Picatinny optics mount. This is designed to have the styling of the Iconic G36 carry handle optic rail with the flexibility of a simple pic rail so you can...HKP-19201$349.95 -
$2.95 -
On Sale
Blade Tech HK VP9 OWB Classic RH Holster - Black
Blade-Tech
Now: $57.95Was: $89.95HK VP9, VP9 Tactical OWB Holster - Right Hand Blade-Tech HK VP9 outside the waist band holster. Black in color, for right hand shooter. This holster has been custom built to accommodate standard height AND tactical raised sights. This holster is a custom...HKP-16931Now: $57.95Was: $89.95