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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HKP HK21E/23E Rear Sight Base
HKP HK Parts
$38.95HKP HK21E/23E Rear Sight Base US manufactured billeted from solid ordnance grade bar stock. Each unit is precisely machined to factory tolerances. Requires post installation machining to accommodate a scope. Compatible With: HK21E HK23EHKP-21467$38.95 -
HKP P30 Comp Weight™ - Quick Detach - Steel Compensator
HKP HK Parts
$199.95HK P30, P30S - Quick Detach Comp Weight™ - 9mm & .40 Cal - Steel Version Easy on, easy off - Quick Detach technology The perfect addition to your HK P30 firearm with our low profile, aggressive Comp Weight™ that flows with the lines of...HKP-18469$199.95 -
Muzzle Device Shim Kit - 1/2x28
Rugged Suppressors
$9.95Rugged Suppressors Muzzle Device Shim Kit - 1/2x28 This kit includes 3 varying thickness shims to time your muzzle device to your desired orientation. ***BE SURE TO REMOVE CRUSH WASHERS IF PRESENT TO PREVENT STRIKES***HKP-21455$9.95 -
RCM MP5K/SP5K/SP89 9mm Barrel - Non-Threaded 3-Lug
RCM
$149.95RCM MP5K/SP5K/SP89 9mm Barrel - Non-Threaded 3-Lug This is the only US-made non-threaded barrel that uses the same steel and Cold Hammer Forged (CHF) process as Heckler & Koch. Precision-milled to the latest MP5KN PDW specifications with...HKP-01764$149.95 -
On Sale
Sig Sauer P365XL Romeo Zero Grip Module 6MOA
Sig Sauer
Now: $99.95Was: $179.95Sig Sauer P365x/XL OD Green Grip Module with 6 MOA RomeoZero Optic Increase your optic ready P365 mag capacity and accuracy with Sigs upgrade package. Sig's grip module is a direct replacement for the P36, P365X, and P365XL. The RomeoZero micro reflex...HKP-20350Now: $99.95Was: $179.95 -
On Sale
B&T SIG SG 551 Handguard
B&T Brugger & Thomet
Now: $439.95Was: $549.95B&T Handguard 4x NAR for SIG SG 551 Specifications: Color: Black Height max: 68.7 mm Length max: 289.5 mm Length of top rail: 250 mm Length of right rail: 250 mm Length of left rail: 250 mm Length of bottom rail: 250 mm Material: Aluminum NATO...HKP-16871Now: $439.95Was: $549.95 -
Comp-Tac HK P30SK Infidel Ultra Max RH Holster - Black
Comp-Tac
$93.95HK P30SK Infidel Ultra Holster - Right Hand The Infidel Ultra Holster is an Inside the Waistband Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00 or 5:00, this holster is a perfect easy on easy off...HKP-17518$93.95 -
F5 MFG 50 Round HK MP5/MP5K 9mm Drum - OD Green
F5 MFG
$199.0050 Round Drum - 9mm - OD Green - MP5, MP5K HK MP5 & MP5K 9mm - 50 Round Drum New 3rd generation redesigned version. Now offered at an even lower price! You asked for it and the long-awaited and highly anticipated MP5 50 Round Drum Magazine designed...HKP-19216$199.00 -
Out Of Stock
H&K / Hogue Hadron Auto Knife - 3.4" Blade
Hogue
$211.95H&K / Hogue Hadron Auto Knife Heckler & Koch Knives are specially designed and built for the professional knife user. Whether you're military, law enforcement, rescue, first responder, or simply in need of an everyday carry, you have to have a...HKP-21561$211.95 -
H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - Used Excellent
H&K Heckler & Koch
$29.95H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - Used Excellent Used in excellent shape. These are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearmsHKP-19042$29.95 -
H&K HK 45 Recoil Complete Rod w/ Spring
H&K Heckler & Koch
$89.95HK 45 Recoil Complete Rod w/ Spring This is the complete recoil guide assembly for the HK45 pistol. Great item to have on hand for repair or replacement. Compatible With: HK45 HK45 Tactical Please Note: This does not fit the USP .45...HKP-01667$89.95 -
H&K HK G36K Forearm - Black
H&K Heckler & Koch
$139.95HK G36K Forearm With Hand Stop & Heat Shield- German HK New HK German latest production HK G36K forearm that has the hand stop and heat shield installed. Also a popular forearm choice for those doing the SL8 to G36 conversions. Has the mounting...HKP-00617$139.95 -
H&K HK Mark 23/SOCOM Firing Pin
H&K Heckler & Koch
$49.95New HK German Mark 23 Firing Pin A great item to have on hand as these are a common wear item. Compatbile With: Mark 23HKP-01670$49.95 -
H&K HK MR556/416 Enhanced Field Cleaning Kit
H&K Heckler & Koch
$169.95HK HK416/ MR556 (all variants & models) field cleaning kit- Enhanced Cleaning kit made both the HK 416, MR556 series of rifles and MG's. Includes: Saf-T-Clad Cleaning Rod HK Carbon Scraping Tool Accessory Adapter Section #8-32 Patch Holder Chamber...HKP-17061$169.95 -
H&K HK MR556/416 Fire Control Detent Stop Pin
H&K Heckler & Koch
$20.95H&K HK MR556/416 Fire Control Detent Stop Pin HK German.HKP-15272$20.95 -
H&K HK MR762, HK 417 Free Floating DMR Rail System - Black
H&K Heckler & Koch
$949.95HK MR762, 417 Extended Free Floating Rail System - Black New Heckler & Koch MR762, HK 417 & G28 Extended DMR (designated marksman rifle) Forearm With Flip Up Front Sight & Suppressor Window Cutout. Optimized design to mitigate the heat...HKP-17706$949.95 -
H&K HK P7 Series Drop Safety Catch
H&K Heckler & Koch
$51.95HK P7 Series Drop Safety Catch Compatible With: P7 PSP P7M8 P7M10 P7M13HKP-01356$51.95 -
H&K HK SL8 Cheek Piece Riser
H&K Heckler & Koch
$34.95HK German SL8 Cheek Piece Riser Compatible with all HK SL8 models.HKP-01701$34.95 -
H&K HK SL8/G36 Front Sight - Black
H&K Heckler & Koch
$19.95HK German SL8/G36 (G36,G36K,G36C & SL8) Front Sight Post - New This item is the replacement polymer front sight post for the HK sight rails.HKP-00638$19.95 -
H&K HK USP/45/45C Trigger Bar Detent
H&K Heckler & Koch
$13.95Trigger Bar Detent Compatible With: HK45, HK45 Tactical HK45C, HK45C Tactical HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W HK USP Compact .357 SIG HK USP Compact .45 ACP All USP Tactical, Elite & Expert...HKP-01922$13.95 -
H&K HK VP/P30/45 Factory Rear Sight
H&K Heckler & Koch
$59.95HK Factory Rear Sight Compatible With: VP9, VP9SK, VP40 HK45 HK45 Compact HK P30 9mm HK P30 40 HK P30L 9mm HK P30L 40 Please Note: Will not fit VP9 Optic Ready (OR) series of pistols.HKP-02161$59.95 -
H&K HK VP9/VP9SK, HK VP40 Sear Release Catch Cylindrical Pin
H&K Heckler & Koch
$5.99Cylindrical Pin For Sear Release Catch VP9, VP40 Compatible With: HK VP9 HK VP9SK HK VP40HKP-16803$5.99 -
H&K UMP (9mm) Extractor
H&K Heckler & Koch
$60.95New HK German USC/UMP 9mm Extractor This is the perfect spare part to have for your UMP or USC 9mm conversion. Hard to find and only available here at HKPARTS.HKP-00266$60.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Cocking Lever
H&K Heckler & Koch
$24.95HK UMP & USC Cocking Lever New HK German part. Compatible With: HK UMP HK USCHKP-01884$24.95 -
H&K USC/SL8 (.45 ACP/5.56/.223) Left Selector Lever
H&K Heckler & Koch
$11.95H&K USC/SL8 (.45 ACP/5.56/.223) Left Selector Lever HK German USC, SL8 left side selector lever 2 position 0,1 Safe, Semi only. Compatible With: HK SL8 HK USCHKP-02506$11.95 -
HK UMP/USC (.45 ACP) Extractor
$39.95HK UMP & USC .45 Extractor Perfect for spares as they are prone to breakage and are a common wear item. Please Note: HK considers this a high wear and replacement item. Once removed from the carrier, the spring tension is compromised,...HKP-02623$39.95 -
On Sale
HKP +3 HK45 Tactical Magazine Extension - Red - BLEMISHED
HKP HK Parts
Now: $29.95Was: $49.95HKP +3 HK45 Tactical Magazine Extension - Red - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK45 & HK45 Tactical +3 magazine extension adds...HKP-18385-RE-BNow: $29.95Was: $49.95 -
HKP .40 S&W Thread Protector - 9/16x24
HKP HK Parts
$19.95HKP .40 S&W Thread Protector - 9/16x24 The New Style .40 Caliber Tactical Thread Protector is an essential accessory designed to safeguard your HK .40 caliber pistol's threaded barrels. Perfectly crafted to fit all HK .40 caliber full-size and...HKP-18145$19.95 -
HKP 30 Round HK UMP 9mm Magazine - FDE
HKP HK Parts
$49.95HK UMP 9mm magazine - FDE 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 magazine offering...HKP-20481$49.95 -
HKP HK MP5 (.40 S&W) Locking Roller -6
HKP HK Parts
$11.95HK US MP540 Undersized Locking Roller, -6 The proper roller size is essential for headspacing the bolt gap correctly. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you...HKP-17566$11.95 -
HKP HK MR556/MR762/416/AR-15 Titanium Take Down Pin Set
HKP HK Parts
$29.95AR15, M4, MR556, MR762, AR10 Enhanced Take Down Pin Set Front & Rear - Titanium Custom ultra strong pure titanium front and rear take down pin set. Each set included both the front and rear pins for any AR mil-spec style lower. Compatible...HKP-17936$29.95 -
HKP HK P30/P2000 Trigger Bar
H&K Heckler & Koch
$35.95HK P30 & P2000 Trigger Bar Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P30 HK P30L HK P30SK HK P2000 HK P2000SK Please Note: This is the correct trigger bar for the CDA version of the P30 found in Europe.HKP-01795$35.95 -
HKP MP5 40/10 Magazine Release Paddle Lever
HKP HK Parts
$59.95HK MP5 40 & MP5 10mm - Magazine Release LeverHKP-01274$59.95 -
HKP MP5K 9mm Complete Pistol Build Kit
HKP HK Parts
$2,099.95MP5K, MP5K-N Style Pistol Build Kit Complete The finest USA and German-made parts for a complete parts kit for an MP5K, MP5K-N pistol build. Each Kit Includes The Following HK Parts: Barrel - 5.5" button rifled, 3-lugged & threaded 1/2x28 with...HKP-02604$2,099.95 -
On Sale
HKP Single Point Leather Sling - Red
HKP HK Parts
Now: $29.95Was: $49.95Single Point Leather Sling - Red Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German artisan...HKP-20160Now: $29.95Was: $49.95 -
HKP, H&K HK MP5 German Folding Stock w/ HK Parts Adapter
$269.95German Folding Stock with HK Parts Adapter - MP5 German folding stock with MP5 HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Compatible With: MP5 (NOT compatible with MP5 .22...HKP-19453$269.95 -
On Sale
JMAC HK G36/HK33 Flash Hider KeyMount (KeyMicro) - Threaded 15x1
JMAC Customs
Now: $87.98Was: $109.95JMAC HK G36/HK33 (5.56/.223) Flash Hider KeyMount (KeyMicro) - Threaded 15x1 In order to use this device with a suppressor it must be installed by a professional to ensure it is properly mounted and aligned. Do NOT shoot without checking alignment with...HKP-21255Now: $87.98Was: $109.95 -
PTR HK MP5 & 93/53/33 (9mm & 5.56/.223) 2 Position (S,F Pictogram) Grip Frame Housing - Clipped & Pinned
PTR
$99.95PTR HK MP5 & 93/53/33 (9mm & 5.56/.223) 2 Position (S,F Pictogram) Grip Frame Housing - Clipped & Pinned This is made by PTR-91 to exact HK specs. These housings come clipped and ready for the semi-auto shelf. This HK aftermarket trigger...HKP-00840$99.95 -
RCM HK 53 Locking Piece #3 - 58 Degree
RCM
$49.95RCM HK 53 Locking Piece #3 - 58 Degree This is the proper locking piece for the HK33K and HK53 firearms as well as some HK51 builds.HKP-02523$49.95 -
RCM HK VP40 .40 S&W Tactical Barrel - Threaded 14.5x1 LH
RCM
$225.00RCM HK VP40 .40 S&W Tactical Barrel - Threaded 14.5x1 LH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK VP40 .40 cal...HKP-17369$225.00