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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Out Of Stock
H&K MP5, HK94, MP5K, SP89 & SP5K Firing Pin
H&K Heckler & Koch
$39.95H&K MP5, HK94, MP5K, SP89 & SP5K Firing Pin - German Compatible With: MP5 HK94 MP5K SP89 SP5KHKP-00061$39.95 -
H&K 40 Round HK 93, 33, 53 5.56x45mm/.223/300 Magazine - Used
H&K Heckler & Koch
$80.00HK93, HK33, HK53 - 40 Round Magazine - Genuine German HK HK Factory German 40 round surplus magazine. This factory magazine is long since out of production and is made from aluminum, steel and polymer. Used condition. A rare find and only available while...HKP-19761$80.00 -
H&K Cocking Tube End Cap-Steel
HKP HK Parts
$14.95Cocking Tube End Cap - Steel - USA This is the finest all steel cocking tube end cap available at a price that is simply the best part for the money anywhere. Nobody offers a part of this quality at this price. Manufactured from solid billet steel and...HKP-17580$14.95 -
H&K MP5 9mm SEF Full Auto Trigger Pack Complete - Used
H&K Heckler & Koch
$289.95H&K MP5/K 9mm SEF Full Auto Complete Trigger Pack - USED Each factory full auto trigger pack includes a new 9mm 3rd generation german ejector lever installed. We do NOT use Pakistani, MKE, or US-made ejector levers in our trigger packs. Each used...HKP-21356$289.95 -
HKP Rail Mount Compensator Replacement Screw Set
HKP HK Parts
$4.95Replacement Screws for Rail Mount Compensator Replacement screw set for the HK Parts Rail Mount Compensators. This includes (2) screws. Compatible With: All HK Parts Rail Mount CompensatorsHKP-19674$4.95 -
H&K HK MR556/MR762/416/417 Handguard Rail Cover - Black
H&K Heckler & Koch
$19.95HK 416, MR556, & MR762 Quad Rail Picatinny Rail Cover - Black Brand new Heckler & Koch Picatinny rail covers made of high-impact HK polymer. Each rail is equipped with a quick-release tab and marked with the HK logo. Compatible...HKP-01743$19.95 -
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 -
Universal Cleaning Kit - Used
H&K Heckler & Koch
$4.95Original German Army Issue HK91/G3/PTR Cleaning Kit - Surplus Each cleaning kit kit comes complete with brass brush, oil brush, oil tube, hand cleaning brush, and pull chain. Compatible With: G3, 91, PTR, C308, CETME 93, 33, 53 MP5, MP5SD, 94 MP5K,...HKP-15612$4.95 -
H&K MP5 9mm Full Auto SEF Navy Style Trigger Group - Push Pin
H&K Heckler & Koch
$499.95HK German MP5 SEF Navy Style F/A Trigger Group Complete - Used Each trigger group is comprised of genuine Heckler & Koch products Includes: German full auto trigger pack with all F/A internals New German 3rd generation ejector German HK SEF selector...HKP-18094$499.95 -
H&K German Recoil Guide Rod Rivet
H&K Heckler & Koch
$4.95H&K German Recoil Guide Rod Rivet This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. The price is per rivet. New old stock HK German rivet. Compatible With: G3, 91, 33, 93, & 53 MP5, 94 MP5K SP89 HK21...HKP-01026$4.95 -
H&K HK P30 Series Trigger V4 Medium Weight Return Spring
H&K Heckler & Koch
$14.95Trigger Return Spring For V4.1 or Combat Defensive Action (CDA) Trigger for the HK P30, P30L pistols. This spring is also known as the medium weight trigger return spring. Found on all (European CDA) variant 4.1's. Compatible With: P30 P30L P30S All LEM...HKP-16745$14.95 -
H&K 20 Round HK MR762/417 7.62/.308 Magazine - RAL 8K
H&K Heckler & Koch
$69.95New HK MR762, HK417 20 Round Magazine- RAL 8000 Genuine HK 20 round magazine. Factory fresh & hard to find. This is the highest magazine capacity available for the MR762 and HK417 family of firearms. Compatible With: HK MR762 HK 417 HK G28HKP-18608$69.95 -
H&K HK VP9, HK VP40 Complete Recoil Spring Assembly
H&K Heckler & Koch
$89.95H&K HK VP9, HK VP40 Complete Recoil Spring Assembly Newer style recoil spring offering that is now standard in all VP9 & VP40 models. This model has a slightly stiffer spring rate than the earlier 1st gen VP9 recoil spring models...HKP-17613$89.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Barrel Roll Pin
H&K Heckler & Koch
$11.94HK 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$11.94 -
H&K 3 Point Factory Sling
H&K Heckler & Koch
$69.95H&K 3 Point Factory Sling New HK German 3 point factory sling HK Black. Can be used as a 2 point or 3 point sling on your HK rifle. This sling is the factory HK issued sling. Never before offered as the 3 point slings have always been traditionally...HKP-18428$69.95 -
Ejector Lever Axle Retaining Spring
USA
$1.95Ejector Lever Axle Retaining Spring This is the perfect spring ring to replace your worn out ejector lever axel spring ring. Made out to HK spec for the best US replacement part on the market. Replacement of the retaining spring clip is necessary to keep...HKP-20629$1.95 -
GSG9 HK UMP Folding Stock - Black
GSG9
$99.95UMP Folding Buttstock - GSG9 New UMP folding stock. This is a required part for the USC-UMP Conversion using the (stock block B). Compatible With: HK UMP .45 HK UMP .40 HK UMP 9mm HK USC-UMP conversions Can also be used on B&T firearm and stock...HKP-19910$99.95 -
HKP HK 91/G3 (7.62x51/.308) Weldment Set Complete
HKP HK Parts
$79.95HK G3, HK91, PTR Weldment Set Complete New US manufactured billeted from solid ordnance grade bar stock. Perfect for roller lock or other custom builds. Each weldment set unit is precisely machined. Includes: Rear sight base Semi auto shelf 2 X rear...HKP-17509$79.95 -
HKP HK P30L Railok™ Compensator - Black
HKP HK Parts
$189.95HK Parts Railok™ Mounting System Compensator: H&K P30L The HK Parts Railok™ mounting system compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil,...HKP-21112$189.95 -
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 -
UTG HK MP5K Handguard
UTG
$198.97UTG PRO, MP5K MLOK Handguard with Picatinny Receiver Extension The new UTG PRO MP5K MLOK handguard with picatinny receiver extension is incredible. This thing is stunning! The machining, finish and fit are flawless. The assembly is incredibly...HKP-21151$198.97 -
HKP HK SL8 & HK G36 Top Rail Screw
HKP HK Parts
$5.95HK SL8 & G36 Top Rail Screw This rail screw is the standard length rail screw used for all SL8 and G36 top rails. With the exception of the dual and single option models. A must have part and an easy part to loose or strip. Grab yours to have...HKP-20330$5.95 -
HKP MP5 & MP5K 9mm Contact Piece For Paddle Mag Release
HKP HK Parts
$15.95HK MP5, MP5K 9mm Contact Piece - USA Factory 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 -
HK 91/G3 Magazine Follower - USA
$19.95Magazine Follower - USA - HK 91, G3, PTR USA made magazine follower for HK 91, G3 magazines. This follower is made in the USA and counts as one US made compliant part needed for builds and conversions for 922r compliance.HKP-18997$19.95 -
HKP 20 Round HK USP/Tactical 9mm Magazine
HKP HK Parts
$89.95HKP 20 Round HK USP/Tactical 9mm Magazine HK USP 9mm Tactical +5 magazine extension paired with a new full-size HK USP 9mm & USP 9mm Tactical 15-round magazine. This part is ideal for competitive shooters, concealed carry, or everyday use while at...HKP-21094-M$89.95 -
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 -
H&K 10 Round HK USPC/45C 45 Magazine Floorplate - Black
H&K Heckler & Koch
$14.95H&K 10 Round HK USPC/45C 45 Magazine Floorplate - Black Each floor plate is the new style rubberized floorplate for enhanced life. A great spare part to have on hand for repair and replacement of parts. This floorplate is commonly called the...HKP-02210$14.95 -
H&K HK VP/P30 Magazine Spring
H&K Heckler & Koch
$8.95HK VP9, VP40 & P30, P30S & P30L - Magazine Spring A must-have replacement item as magazine springs should be replaced regularly as this is a consumable part and is prone to wear and tear. Compatible With All Standard Capacity 9mm & .40...HKP-01613$8.95 -
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 -
Magpul HK MP5K, HK SP5K, HK SP89 SL Hand Guard - Black
Magpul
$47.45Magpul HK MP5K, HK SP5K, HK SP89 SL Hand Guard - Black The Magpul SL Hand Guard for the SP89/MP5K/SP5K is a high-strength, injection-molded polymer handguard solution that provides the user with improved ergonomics, anti-slip texturing,...HKP-19310$47.45 -
HK 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine Floor Plate
$19.95HK 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine Floor Plate USA made floor plate for HK 91, G3, PTR 91 20-Round Steel and Aluminum Magazines. This floor plate is made in the USA and counts as one US made compliant part needed for builds and conversions...HKP-18921$19.95 -
H&K 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine - Steel - Surplus
H&K Heckler & Koch
$16.95H&K 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine - Steel - Surplus: HK German 20 Round Steel Magazine Used - Surplus Condition Used German manufacture all steel magazine. They range from Fair to VG shape. Each magazine is a bargain for what you get...HKP-17696$16.95 -
Out Of Stock
HKP HK UMP .45 & UMP .40 Dual Magazine Clamp
$49.95UMP .45/.40 Dual Magazine Clamp/Coupler The UMP mag clamp fits all .45 and .40 UMP magazines. Holds two magazines together for ease of use and easy access to 2 magazines. Billet machined and hard coat anodized. Features: Made in the...HKP-19539$49.95 -
HKP SEF Style Franklin Armory Binary Aluminum Selectors
HKP HK Parts
$69.95HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum This new selector lever set was modeled after the HK style selector lever for the Franklin Armory trigger packs. This is the best selector set for the...HKP-20103$69.95 -
SB Tactical, B&T HK MP5, SP5 Swiss Folding Brace
SB Tactical, B&T Brugger & Thomet
$299.95B&T MP5, SP5 Folding Brace - Swiss/USA Factory Swiss B&T MP5, SP5 Folding Pistol Brace with the SB Tactical/B&T components assembled. A rare offering using the B&T Swiss manufactured folding polymer end cap with sling swivel slightly used...HKP-19353$299.95 -
Comp-Tac HK VP9/VP40 Comp Carry Holster - Right Hand
Comp-Tac
$79.95Rail Mount Compensator & Comp Weight International Holster - Right Hand - HK VP9, VP9 Optics Ready, VP40 At last a custom made Comp-Tac International OWB holster for your HK pistol that allows you to have the Rail Mount Compensator, Comp...HKP-20013$79.95 -
H&K HK VP9 Optics Ready Slide
H&K Heckler & Koch
$344.95H&K VP9 Optics Ready Slide - HK OEM Sights - Green 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 assembly, cover plate...HKP-19869$344.95 -
H&K MP5 A3 Retractable Stock Buffer
H&K Heckler & Koch
$27.95H&K MP5 A3 Retractable Stock Buffer These common wear items need to be replaced when they become yellow, brittle, and worn. Inspect your buffer for the following: discoloration, the buffer becomes hard and brittle, tears, cracks, or breakages of any...HKP-00074$27.95 -
HKP Flat Bending Billeted Jig Set For All HK Style Flats
HKP HK Parts
$449.95HKP Flat Bending Billeted Jig Set For All HK Style Flats NEW LATEST 4th GENERATION VERSION AND DESIGN. THE FINEST JIG SET AVAILABLE! Billeted universal flat bending jig for all HK receiver flats including our new PTR .308 flats and the...HKP-19583$449.95 -
SB Tactical TF1913 Side Folding Pistol Stabilizing Brace - Picatinny
SB Tactical
$159.99SB Tactical TF1913 Side Folding Pistol Stabilizing Brace - Picatinny Features: Complete assembly, ready-to-install Advanced steel hinge design locks in both folded and extended positions Pull-through design offering quick deployment Rigid polymer...HKP-19776$159.99