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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HKP 13.5 X 1 9mm Vented Micro Comp
HKP HK Parts
$29.95HK Parts Micro Comp - Vented - 9mm - 13.5 X 1 The HK Parts Micro Comp & Thread Protector is designed to be lightweight, and 100% functional as both a compensator and thread protector. The HK Parts Micro Comp easily attaches to the end of any...HKP-19720$29.95 -
HKP Quick Detach Sling Attachment Sling Pin - Large
HKP HK Parts
$37.95The large stock push pin is used to retain the stock to the receiver on the 90 series of firearms. The QD sling pin is a great replacement item as it will allow the user to simply swap the pushpin for the sling pin to allow a sling mounting location for...HKP-18070$37.95 -
HKP Roller +2 - New - 8.02mm
HKP HK Parts
$8.99Roller +2 - New - 8.02mm HK Parts Standard (8.02 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-19423$8.99 -
Out Of Stock
H&K MP5 A3 Retractable Stock Buffer
H&K Heckler & Koch
$27.95H&K MP5 A3 Retractable Stock Buffer These are common wear items and need to be replaced when they become yellow, brittle, and worn. A list of things to look for when the buffer needs to be replaced: discoloration of the buffer, the buffer...HKP-00074$27.95 -
H&K HK VP9/VP9SK/P30/45 Clamping Pin Backstrap
H&K Heckler & Koch
$5.95Dowel Pin Or Clamping Pin This HK roll pin is used to hold the backstrap in place. Compatible with: HK45 HK45 Compact HK P30 HK P30L HK P30SK HK VP9 HK VP9SKHKP-01810$5.95 -
H&K 13 Round HK USP Full Size .40 S&W Magazine - Black
H&K Heckler & Koch
$49.00HK German USP 40 Full-Size Magazine Compatible with: USP .40 Full Size USP .40 Tactical USP .40 Elite/Expert Please note: The Magazine does not fit USP Compact or P2000 modelsHKP-00309$49.00 -
H&K HK MR556/416 Enhanced Buffer Spring
H&K Heckler & Koch
$19.95Enhanced HK German MR556/416 Buffer Spring The HK MR556/416 buffer spring will also work with other AR-15 and M-16 rifles. This is the finest AR15 style buffer spring available. A high wear item and a must have replacement part. Compatible With: HK...HKP-00039$19.95 -
AC-Unity HK Cheek Piece - Black
AC-Unity Magazines and Parts
$39.95HK Cheek PieceNew production HK cheek piece for your fixed stock on your G3, HK91, PTR91, HK33, HK94, MP5 or HK94 rifle.Works on all HK style fixed stocks that have push pin retainer bushings in the stock. This will give you the proper cheek weld that...HKP-20153$39.95 -
H&K HK MP5 & HK MP5K 9mm Dual German Magazine Clamp Bundle
H&K Heckler & Koch
$279.95HK German MP5 & SP5 Or MP5K & SP5K 9mm Mag Clamp Bundle Allows the user to clamp 2 X MP5 9mm 30 round magazines together for ease of use & safety by keeping 2 magazines usable & at your disposal. A Heckler & Koch German made...HKP-20492$279.95 -
Walther 10 Round HK 416/G36/Colt M4 .22LR Magazine - Black
Walther
$35.00HK, Walther, Colt, Beretta - HK416 .22 - 10 Round Magazine Impact-resistant polymer construction. Thumb-assisted loading button. Heavy-duty spring-steel mag spring. Compatible with: HK 416 .22 Colt M4 .22 Beretta AR160 HK G36 .22 Hammerli Tac .22HKP-01747$35.00 -
H&K +4 Roller For Bolt Head 8.04mm - Over-sized
H&K Heckler & Koch
$14.95H&K +4 Roller For Bolt Head 8.04mm - Over-sized New HK German not surplus or used goods. The correct roller is essential for proper head spacing and the bolt gap. Compatible with: HKG3, 91 & PTR HK93, 33, 53 HK MP5, MP5K Cetme, C308 Clones...HKP-00508$14.95 -
HKP MP5 & MP5K 9mm Contact Piece For Paddle Mag Release
HKP HK Parts
$15.95HK MP5, MP5K 9mm Contact Piece - USAFactory correct US manufactured MP5, MP5K 9mm Contact Piece For Paddle Magazine Release. Each part was made using the same material and manufacturing methods used on the German HK latest production parts. Hard to find...HKP-17403$15.95 -
HKP Roller +4 - New - 8.04mm
HKP HK Parts
$8.99Roller +4 - New - 8.04mmHK Parts Standard (8.04 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-19441$8.99 -
Out Of Stock
AIM HK 91/G3 (7.62x51 / .308) Full Length Handguard - MLOK
AIM
$85.95HK 91 RIFLE LENGTH HANDGUARD- M-LOK This sleek streamlined design is an ultra low profile handguard with generous mounting space to accept all M-Lok accessories. Superior ergonomics and simple, drop-in installation makes this the best HK pattern rail on...HKP-18176$85.95 -
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 HK VP9/VP9SK, VP40 Enhanced Support Sleeve - Red
HKP HK Parts
$19.95Enhanced Support Sleeve VP9, VP9SK & VP40 - Aluminum Alloy - HK RedA must have upgrade part for the VP series of pistols!The support sleeve is found in the VP slide and is the part that depresses to allow you to remove the slide plate, firing pin...HKP-17861$19.95 -
HKP Quick Detach Sling Attachment Sling Pin - Small
HKP HK Parts
$37.95The small push pin is used to retain the forearm to the receiver on the 90 series of firearms. The QD sling pin is a great replacement item as it will allow the user to simply swap the push pin for the sling pin to allow a sling mounting location for a...HKP-18071$37.95 -
Magpul PMAG 30 Round AR-15 5.56 / .223 Magazine-Windowed
Magpul
$15.95The Gen M3 PMAG is a 30-round 5.56x45 NATO (.223 Remington) polymer magazine for AR15/M4 compatible weapons. Modified internal and external geometry also permits operation with a wide range of non Colt-spec platforms such as the HK 416 and MR556A1,...HKP-16441$15.95 -
X-Grip HK P2000 to P30/VP9 Magazine Adapter
X-Grip
$15.95The XGRIP P2000 is a new patent pending OEM factory accessory for the HK P2000 that enhances the versatility, look, and feel of the gun.Versatility: Size of a Compact, Capacity of a Full-Size. The XGRIP adapts the HK P30 hi capacity magazine for use in...HKP-16670$15.95 -
SB Tactical MP5K/SP89/SP5K 9mm Side Folding Brace
SB Tactical
$249.95HK MP5K, SP89, SP5K & Clone - Side Folding Pistol Stabilizing Brace MP5K, SP5K, Zenith Z5P, Z-5K Folding Stabilizing Brace System Includes: SB89 MP5K, SP89 Or MP5K, SP5K side folding pistol brace Each brace comes assembled ready to install no...HKP-18016$249.95 -
Out Of StockOn Sale
ETS 21 Round HK VP9 9mm Magazine - Carbon Smoke
Now: $9.95Was: $14.9921 Round Magazine - Elite Tactical Systems - 9mm - HK VP9 - Carbon Smoke MAG FEATURES Fits the Heckler & Koch VP9 9mm Extended 21-round capacity Base plates interchangeable with ETS line of 9mm double stack magazines. Due to the wide variety of...HKP-20719Now: $9.95Was: $14.99 -
H&K 10 Round HK P2000SK 9mm Magazine - Black
H&K Heckler & Koch
$55.95HK P2000 SK 9mm - 10 Round Magazine With Finger Rest Fits the HK P2000SK sub-compact (SK) model only—new Factory German HK manufacture.HKP-00308$55.95 -
JMAC Customs HK MP5, HK SP5, HK 33 1913 Rail Stock, Brace Adapter - Black
JMAC Customs
$94.95Picatinney Stock/Brace Adapter - RSA-MP5 - HK SP5Finally a way to mount 1913 stocks/braces to your favorite full-size MP5 clone! This adapter will fit the Standard/Full Size MP5 as well as HK33 (556). It has a Picatinny rail machined on the rear which...HKP-19305$94.95 -
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 Magazine Catch, Push Button Roll Pin
H&K Heckler & Koch
$4.95H&K Magazine Catch, Push Button Roll Pin New HK German-made. The mag catch roll pin is used to attach the magazine catch to the mag release button. Compatible with: HK G3, 91, PTR HK MP5, 94, SP5 HK 93, 33, 53 HK SP89, MP5K,...HKP-01918$4.95 -
H&K HK P2000SK Low Profile Floor Plate - Black
H&K Heckler & Koch
$19.95New HK German P2000 SK Magazine Flat Floor plate Low profile style without the finger rest and best for concealed carry or a low profile. This is the perfect upgrade for those who want a slim profile and less obtrusive effect when carrying...HKP-01676$19.95 -
HK USP/USPC/45 Match Hammer Spring
H&K Heckler & Koch
$18.95HK USP/USPC/45 Match Hammer Spring The match hammer spring is also known as the USPC standard hammer spring. This is also the correct spring needed for the light, TGS, and LEM conversion for the USPC & other custom pistol configurations. Compatible...HKP-01410$18.95 -
HKP MP5 A3 Retractable Stock Buffer
HKP HK Parts
$6.74MP5 A3 Retractable Stock "H" Buffer For All HK A3 Retractable StocksThe A3 stock buffer is a high wear and common replacement items that does need to be replaced when they become torn, cracked, brittle, discolored & worn. These units are made from...HKP-18160$6.74 -
P7 Series 4 in 1 Gas Cylinder Cleaning Tool
USA
$21.95P7 Series 4-In-1 Gas Cylinder Cleaning Tool Made from stainless steel and hand-fitted for perfect fitment on each P7 pistol. Each tool features a 4-in-1 (seven tool) and includes a precisely sized tip for grip screw removal, a gas cylinder...HKP-02080$21.95 -
XS Sight Systems HK VP9, HK VP9L, HK VP9SK Optic Ready Suppressor Night Sights - Orange
XS Sight Systems
$114.95Minimalist Orange - HK VP9, VPL, VP9SK Optics Ready Suppressor - Tritium Night Sights - XS Sights HK VP9/VP9L Optic Ready Model ONLY - Suppressor Height- Only fits VP9/VP9L/VP9SK , VP9 Match Optic Ready Models Will not fit other VP9 Models. XS Minimalist...HKP-19407$114.95 -
HKP +4 HK 45C, USPC .45 ACP Magazine Extension - Black
HKP HK Parts
$49.95HK PARTS magazine extension +4 adds 4 additional rounds to the HK45C, 8 round magazine. Each unit can then be fully assembled into a 12 round HK45C magazine. Ideal for competitive shooters, concealed carry, or for everyday use while at the range. Super...HKP-18654$49.95 -
H&K Full Auto Paddle Magazine Release Bushing - New
H&K Heckler & Koch
$6.95H&K Full Auto Paddle Magazine Release Bushing - New New HK German paddle magazine release bushing for all 90 series H&K weapon systems. Used for installing a paddle mag release. Please Note: This is NOT for use on semi-auto HK builds. This...HKP-00847$6.95 -
H&K HK P30L 13.5 X 1 9mm Threaded Barrel - Black
H&K Heckler & Koch
$299.95Made in Germany at the HK factory from HK German Cold Hammer Forged barrel blanks, heat-treated and finished to HK specs. This is the only HK factory manufactured P30L threaded barrel. The finest threaded barrel available for the HK P30L 9mm pistol as...HKP-16746$299.95 -
HK/Walther 25 Round HK MP5 .22LR Magazine - Bundle of 5
H&K, Walther, Umarex
$169.95HK MP5 .22 - 25 Round Magazine - Bundle of 5 Magazines Brand New HK /Walther German manufactured for the HK MP5 22 & MP5 22SD .22 rifle. Each magazine offers a 25 round magazine capacity & fits all HK, Walther, Umarex MP5 A5 & MP5 SD ...HKP-20605$169.95 -
HKP MP5 & MP5K 9mm Anti-Rattle Roller Tipped "Paddle" Magazine Release
HKP HK Parts
$29.47HK MP5, MP5K 9mm Anti-Rattle Roller Tipped "Paddle" Magazine ReleaseFactory German HK CORRECT latest generation Paddle mag release for all 9mm MP5, MP5K style builds. This offering is the latest generation MIM'ed paddle magazine release. Made to the...HKP-17570$29.47 -
HKP MP5 & MP5K 9MM Magazine Follower - RED
HKP HK Parts
$8.95Teflon infused glass filled polymer red colored follower that will work with all HK MP5, MP5K 9mm curved magazines. A drop in item that allows you to swap the follower to a red follower. A great training or range aid at a great price. Made from self...HKP-18302$8.95 -
HKP MP5 & MP5K Barrel Thread Protector - 1/2 X 28
HKP HK Parts
$14.95New US made 1/2 X 28 thread protector designed for HK MP5, MP5K 3-lug & threaded barrel applications. This is the ideal thread protector for use on MP5, MP5-N & MP5K-N style 3-lug and threaded barrel types. This is the factory correct...HKP-16883$14.95 -
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 -
HKP MP5, MP5K, 94 & SP89 Firing Pin-Steel
HKP HK Parts
$17.47MP5, MP5K, 94, & SP89 Firing Pin - Steel Each part is made using the factory HK material and specifications from original HK German blueprints. Compatible with: MP5, HK94 MP5K, SP89, SP5K MP5 40, 10mm, .357 Sig Zenith, POF, Omega, DT,...HKP-02115$17.47 -
H&K 91/G3 (7.62x51 / .308) Recoil Spring
H&K Heckler & Koch
$7.95HK German G3, 91, PTR Recoil Spring Best price in the country, on a new German HK factory recoil spring. No surplus or used springs here. Factory-fresh and HK German. Stock up at this price you can afford to keep a few as spares, why buy surplus springs...HKP-00360$7.95