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 HK VP9SK/P30SK Magazine Pinky Rest
HKP HK Parts
$22.95HKP HK VP9SK/P30SK Magazine Pinky Rest This machined floorplate allows the user to quickly swap the floorplate to add a finger rest for the pinky on a standard VP9SK & P30SK 10-round magazine. Why settle for cheap plastic or 3D-printed...HKP-17853-M$22.95 -
HKP Roller +3 - New - 8.03mm
H&K Heckler & Koch
$8.99Roller +3 - New - 8.03mm HK Parts Standard (8.03 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-19425$8.99 -
Out Of Stock
HKP/H&K MP5 9mm Flash Hider - 3-Lug
HKP HK Parts
$99.95HKP/H&K MP5 9mm Flash Hider - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels found on...HKP-17228$99.95 -
Out Of Stock
B&T MP5, HK53 Tri-Rail Handguard
B&T Brugger & Thomet
$294.95B&T MP5, HK53 Tri-Rail Handguard The B&T handguard 3x NAR is a modular forend system designed for the HK MP5 submachine gun. It offers a versatile and customizable mounting platform for various accessories such as lights, lasers, and grips. The...HKP-16885$294.95 -
H&K HK MR762/417/G28 Adjustable Buttstock Set - Black
H&K Heckler & Koch
$599.95HK G28 Fully Adjustable Stock For The MR762 & HK 417, G28 - Black The hard to find elusive HK G28 adjustable stock kit complete with the upgraded parts needed to convert a stock MR762 or HK417 to allow this stock system to be used. New HK German...HKP-16761$599.95 -
HKP - 15 Round HK45 Magazine - Black
$113.95HKP - 15 Round HK45 Magazine - Black HK45 & HK45 tactical +5 magazine extension coupled with a new HK German 10 round HK45 magazine. Each unit is then fully assembled as a 15 round magazine. Ideal for competition shooters that would like a higher...HKP-20788$113.95 -
HKP 9mm Enhanced Texas Style Thread Protector - Threaded 13.5x1 LH
HKP HK Parts
$19.95HKP 9mm Enhanced Texas Style Thread Protector - Threaded 13.5x1 LH This enhanced thread protector, made from stainless steel in a 13.5x1 LH thread, is designed to fit over and protect the crown of any threaded barrel. Its unique design offers added...HKP-17978$19.95 -
HKP/H&K USP/T .40 S&W 18 Round Complete Magazine With Extension
HKP HK Parts
$79.95HKP/H&K USP/T .40 S&W 18 Round Complete Magazine With Extension HK Parts magazine extension adds 5 additional rounds to the full size USP & USP Tactical, 13 round magazine. Each unit is then fully assembled as an 18 round magazine. Ideal for...HKP-18643-M$79.95 -
HKP G36C Parts Kit
HKP HK Parts
$1,199.95HKP G36C Parts Kit HK Parts brings you a complete G36 parts kit, loaded out with everything you need to complete a stripped receiver. Our parts kits will have the highest quality parts for ultimate reliability. As an added bonus, each of our parts...HKP-21492$1,199.95 -
Magpul M-LOK 5 Slot Rail Section
Magpul
$18.95Magpul M-LOK 5 Slot Rail Section Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined...HKP-19568$18.95 -
USP Compact Pistol Laser & Light Adapter
USA
$27.95USP Compact Pistol Laser & Light Adapter This is the adapter needed for all HK USP Compact pistols to attach an aftermarket light or laser to the bottom rail of the firearm since HK USP's use a proprietary rail system. Made from hard coat anodized...HKP-00959$27.95 -
AIM (.45 ACP) Laser Bore Sighter
AIM
$19.95AIM (.45 ACP) Laser Bore Sighter Red Laser Bore Sight-.45 Laser bore sight system. Each unit comes complete with batteries (4)and instructions for operation. Easy to use and priced so that every shooter can have one for each caliber of firearm that they...HKP-16217$19.95 -
H&K HK MP5, MP5K Spare Parts Kit
H&K Heckler & Koch
$239.95H&K HK MP5, MP5K Spare Parts Kit HK MP5, HK SP5, HK94 & MP5K, SP89, SP5K Spare parts kits for the most commonly worn parts needed to keep your precious MP5/MP5K going. This offering also includes a pouch to safely store all your replacement parts...HKP-20619$239.95 -
Sale
HKP 13 Round HK45 .45 ACP Magazine - Cerakote Red
HKP HK Parts
Now: $69.95Was: $89.99HKP 13 Round HK45 .45 ACP Magazine - Cerakote Red HK Parts magazine extension +3 adds 3 additional rounds to the HK45, 10 round magazine. Each unit is then fully assembled as a 13 round HK45 magazine. Ideal for competitive shooters, concealed carry or...HKP-20611Now: $69.95Was: $89.99 -
Out Of Stock
HKP HK 91/G3 & PTR Bench Mat
HKP HK Parts
$24.95HK G3, HK91 & PTR 7.62 Bench, Gunsmithing Repair Mat Our HK G3 bench mat is the perfect cleaning & repair mat designed specifically for your HK G3 models. Have fun and learn while you work on your favorite H&K firearm. The soft top protects...HKP-17283$24.95 -
H&K G36/SL8 (5.56/.223)Forearm, Lower, Magwell - Push Pin
H&K Heckler & Koch
$34.95New HK German G36 & HK SL8 Push Pin For Forearm, Mag Well Or Lower Each push pin is a factory German part and is new. This is also required for those doing the SL8 to G36 style conversions. A factory German G36 uses three of these factory push pins...HKP-00804$34.95 -
H&K Grip Screw & Washer
H&K Heckler & Koch
$1.49H&K Grip Screw & Washer This is a surplus factory HK German part that is now out of production. Great to have as a spare and the cheapest price on the planet. Compatible With: G3 HK91 HK93 HK94 SP89 Other HK metal framed lowers with plastic...HKP-16335$1.49 -
H&K MP5 40/10 Ejector Lever
H&K Heckler & Koch
$38.74German HK MP5 40, MP5 10mm Ejector Lever Get the ejector that is tried and true and the best upgrade you can make with your HK MP5 40 or 10mm. This is the finest and only ejector that will work properly for any length of time. Original factory German HK...HKP-00412$38.74 -
HK Piston Ring Replacement Set - 3 Ring Combo - USA - HKP
HKP HK Parts
$8.95HK MR556, HK416 & G36, SL8 Gas Piston Ring Replacement Combo Set - 3 Rings This is a high wear common repair & replacement item. The gas rings are prone to periodic breakage & wear, tear and require them to be replaced periodically...HKP-17933$8.95 -
HKP HK VP9SK Rail Mount Compensator - Black
HKP HK Parts
$169.95HKP HK VP9SK Rail Mount Compensator - Black Specifications: Length - 3 1/2 inches Height - 1 3/4 inches Weight - 4.8 oz. Torque: 3nM / 26 inch-lbs Not to be used with a threaded barrel DISCLAIMER: Improper installation of an HK Parts pistol compensator...HKP-20037$169.95 -
SB Tactical, B&T HK MP5K, SP5K Swiss Folding Brace
SB Tactical, B&T Brugger & Thomet
$239.95Folding Brace - Swiss - B&T MP5K, SP5K Factory Swiss B&T MP5K, SP5K 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. Available...HKP-19356$239.95 -
Comp-Tac HK VP Series/P Series/USPC Twin Mag Pouch - Black
Comp-Tac
$59.95Comp-Tac HK VP Series/P Series/USPC Twin Mag Pouch - Black The 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...HKP-17502$59.95 -
H&K MP5K/SP89/SP5K 9mm Recoil Spring
H&K Heckler & Koch
$11.95HK German MP5K, SP89 Recoil Rod Assembly Spring This is a great replacement and spare part.HKP-01159$11.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Rear Stock Axle Pin
H&K Heckler & Koch
$30.95HK German UMP Rear Stock Axle Pin This is the HK factory German rear stock pin that allows you to attach the stock to either the factory receiver of a UMP or for those that are doing the USC to UMP conversion. This is required to attach the stock to the...HKP-00604$30.95 -
HKP 93/91/33/53/G3/FMP21 (5.56/.223) & (7.62x51/.308) Rear Sight Base Weldment
HKP HK Parts
$29.95HK G3, HK91, PTR & HK93, 33 & 53, FMP21 Rear Sight Base Weldment New US manufactured billeted from solid ordnance grade bar stock. Perfect for roller lock or other custom builds. Each unit is precisely machined and the best rear base available...HKP-17386$29.95 -
Sale
HKP Glock 17 Gen 5 Comp Weight™ Compensator - Black
HKP HK Parts
Now: $119.95Was: $143.95HKP Glock 17 Gen 5 Comp Weight™ Compensator - Black The perfect addition to your Glock 17 firearm with our low profile, aggressive Comp Weight™ that flows with the lines of the firearm for a seamless addition. The Glock 17 Comp Weight™...HKP-18840Now: $119.95Was: $143.95 -
HKP HK MP5K/SP5K/SP89 Picatinny Rail Stock Adapter
HKP HK Parts
$129.95HKP HK MP5K/SP5K/SP89 Picatinny Rail Stock Adapter Our rail stock adapter allows you to attach any 1913 Style Stock, Brace to your MP5K.The 1913 style stocks & braces lock in place and provide a better Cheek Weld than many traditional stock setups...HKP-21385-M$129.95 -
HKP MP5 & MP5K 9mm Extractor - Enhanced
HKP HK Parts
$39.95HK MP5, MP5K 9mm Extractor - USA - Latest Generation Style HKPARTS offers the finest US-made HK 9mm "F" Type Extractor for all HK MP5/94 bolt heads. CNC'ed from a solid billet of an enhanced ordnance grade steel for superior function & durability...HKP-01968$39.95 -
Comp-Tac HK MP5 9mm Single Magazine Pouch
Comp-Tac
$44.95Comp-Tac HK MP5 9mm Single Magazine Pouch The single magazine pouch PLM is an all Kydex magazine pouch which gives a smooth friction free surface perfect for a quick reload for your HK MP5. The PLM mount allows for being securely hooked on a variety of...HKP-20099$44.95 -
H&K MP5SD Sealing Ring
H&K Heckler & Koch
$19.95H&K MP5SD Sealing Ring Each HK MP5SD sealing ring is the sealing gasket that seals the SD suppressor against the trunion on factory HK MP5SD's or factory correct conversions. This is a typical wear item as they do degrade and crack with time and use...HKP-00142$19.95 -
Sale
HKP AR-15 Mil-Spec Buffer Tube
HKP HK Parts
Now: $14.95Was: $29.95Mil-Spec US Made Buffer Tube Compatible With: HK MR556 & 416 All AR-15 style platforms Features: Made From T7 7075 Aircraft grade aluminum 6 Position Made in the USA Each features a highly polished inside tube Black Mil-spec triple hard coat...HKP-02727Now: $14.95Was: $29.95 -
HKP H&K 17 Round HK USP45, Mark 23 .45 Complete Magazine - Red
$119.95Mark 23/USP .45 - 17 Round Magazine Complete - Red HK Parts takes an existing 12 round mag the +5 mag extension and assembles them into a working 17 round mag. This offering is a valuable option for those that need a backup ultra capacity magazine...HKP-19495$119.95 -
HKP HK Mark 23 RMR Optic Plate
HKP HK Parts
$99.95HKP HK Mark 23 RMR Optics Plate The finest Red dot mounting solution for your HK MK23. New optic plate that replaces your rear sight to allow a Red dot optic to mount on your Mark 23 slide. A quick and easy install that can be done in the matter of...HKP-21415$99.95 -
RCM HK VP9 9mm Tactical Barrel - Threaded 1/2x28
RCM
$229.95RCM HK VP9 9mm Tactical Barrel - Threaded 1/2x28 Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded barrel available for the HK VP9 9mm pistol, perfect as...HKP-16849$229.95 -
Strike Industries HK VP9 +5 Extended 9mm Magazine Plate
Strike Industries
$19.95Strike Industries HK VP9 +5 Extended 9mm Magazine Plate The Strike Industries Extended Magazine Plate for HK VP9 was designed to provide smoother magazine reloading through a slow drag / no snag design while maintaining maximum magazine capacity. The...HKP-19607$19.95 -
Flat Bending Jig Set For All HK Style Flats - Billeted - All Steel
$599.95Flat Bending Jig Set For All HK Style Flats - Billeted - All Steel NEW- LATEST 4th GENERATION 100% ALL STEEL VERSION AND DESIGN. THE FINEST JIG SET AVAILABLE! All steel billeted universal flat bending jig for all HK receiver flats including our new...HKP-19595$599.95 -
H&K 91/G3 (7.62x51/.308) Ejector Lever
H&K Heckler & Koch
$24.95New H&K .308 Ejector Lever Genuine HK German part. Compatible With: HK G3 HK 91 PTR-91 HK 51HKP-00832$24.95 -
Out Of Stock
H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - Red
H&K Heckler & Koch
$99.95New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - Red Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany". These are the finest...HKP-19971$99.95 -
HKP HK VP9/VP9SK, VP40 Enhanced Slide Cap - Red
HKP HK Parts
$29.95Enhanced Slide Plate Cover VP9, VP9SK & VP40 - HK Red Enhanced HK VP9, VP40 Alloy Slide Plate. This enhanced model covers has no firing pin viewing window and is enlarged as MUCH as possible to seal the firearm from dirt and debris. That can enter...HKP-17857$29.95 -
Sale
Ruger 25 Round 10/22 Ruger BX .22LR Magazine - Black
Ruger
Now: $19.45Was: $29.95Ruger 25 Round 10/22 Ruger BX .22LR Magazine - Black This Ruger factory magazine features high-quality components and precise manufacturing that will ensure long-lasting performance and reliability. Compatible With: Any factory original 10/22 rifle,...HKP-19612Now: $19.45Was: $29.95