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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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 -
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 +7 HK VP9/HK P30 Magazine Extension Kit
HKP HK Parts
$54.95HKP/H&K VP9/P30 +7 Magazine Extension Kit The HK Parts +7 magazine extension kit adds 7 additional rounds to the HK VP9/P30 magazine with the simple swap of the floor plate & mag spring. Each kit includes the +7 extension and an enhanced spring...HKP-19456$54.95 -
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 -
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 -
Sale
Magpul 20 Round PMAG M3 Magazine - 7.62x51/.308
Magpul
Now: $17.95Was: $24.95Magpul PMAG 20-LR 20-Round 7.62 NATO The 7.62x51 NATO (.308 Winchester) PMAG 20LR is a cost-effective, highly reliable magazine for SR25/M110 pattern rifles featuring a 20-round capacity, constant-curve body, and snap-on impact/dust Cover. Designed...HKP-01651Now: $17.95Was: $24.95 -
Sale
Magpul 35 Round CZ Scorpion EVO 9mm Magazine - Black
Magpul
Now: $14.95Was: $19.95Magpul CZ Scorpion PMAG 9mm - 35 Round The PMAG 35 EV9 is a lightweight, 35-round, 9x19mm CZ Scorpion EVO 3-compatible magazine. The PMAG 35 EV9 provides optimal round stack geometry, giving the large format pistol, PCC, and SMG market a pistol caliber...HKP-19283Now: $14.95Was: $19.95 -
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 MP5K 9mm SEF Trigger Group Navy Style- Full Auto - Push Pin - Used
H&K Heckler & Koch
$499.95HK German MP5K SEF Navy Style F/A Trigger Group Complete - Used ON SALE FOR A SPECIAL PROMOTION WHILE SUPPLIES LAST!!! Each trigger group is comprised of genuine Heckler & Koch products Includes: German Full Auto trigger pack with all F/A...HKP-18095$499.95 -
H&K Rear Sight Bearing
H&K Heckler & Koch
$1.99H&K Rear Sight Bearing Factory HK Part for all rear sight assemblies. This item is required for any HK diopter rear sight assemblies.HKP-00145$1.99 -
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 -
H&K VP9/VP9SK, VP40 Slide Release Pressure Spring
H&K Heckler & Koch
$6.95H&K VP9/VP9SK, VP40 Slide Release Pressure Spring Pressure Spring for Slide Release HK VP9, HK VP40. Compatible With: HK VP9 HK VP9SK HK VP40HKP-16788$6.95 -
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 -
HKP HK USP .45 Cal Compensator
HKP HK Parts
$199.95HKP HK USP .45 Cal Compensator The HK Parts USP .45 compensator will add a sleek and tactical look to your USP. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and therefore allows you...HKP-20853$199.95 -
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 -
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 -
H&K 91/G3 (7.62x51/.308) Backplate & Recoil Rod Assembly Complete
H&K Heckler & Koch
$24.95H&K 91/G3 (7.62x51 / .308) Backplate & Recoil Rod Assembly Complete Used- Surplus- in good shape. Each backplate comes in the parkerized finished as issued to the German military complete and 100% serviceable. Ready to install. This is also a...HKP-16144$24.95 -
H&K G3/91 (7.62x51/.308) SEF Polymer Housing - USED - Clipped & Pinned
H&K Heckler & Koch
$79.95H&K G3/91 (7.62x51/.308) SEF Polymer Housing - USED - Clipped & Pinned This Germa made Heckler & Koch G3 surplus grip housing comes in black polymer clipped & pinned, ready to drop on your HK 91, HK G3, PTR-91, or other HK .308 type...HKP-00722$79.95 -
H&K HK 416/MR556/MR762 Trigger Guard Pin
H&K Heckler & Koch
$3.95HK MR556 & HK 416 Trigger Guard Retaining Pin Compatible With: HK 416 HK MR556HKP-02678$3.95 -
H&K HK P2000SK Extended Floor Plate - Black
H&K Heckler & Koch
$21.95HK German P2000 SK Magazine Floor Plate - Extended P2000SK extended magazine floor plate fits all P2000 SK magazines. The perfect floorplate if you want a place for your pinky when grasping the firearm. Compatible With: P2000 SK P30SK (with slight...HKP-17399$21.95 -
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 -
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 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 -
HKP HK UMP .45 - Magazine Compliance Kit
HKP HK Parts
$19.95US-Made UMP .45 Compliant Magazine Kit For All UMP .45 Magazines This kit is a drop-in replacement set that will give you two US-compliant parts towards 922r compliance. Made from high-impact polymer, just like the factory HK parts. The US parts kit...HKP-01167$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 -
H&K HK VP9/45/P30/P2000 Rubber Extractor Buffer
H&K Heckler & Koch
$9.95HK P Series and HK45 Rubber Extractor Buffer A must-have wear and replacement part for the following HK pistols. Compatible With: HK P2000 HK P2000SK HK P30 HK P30SK HK45 HK45 Compact HK VP9 HK VP9SKHKP-01632$9.95 -
Out Of Stock
HKP HK MP5 .22 Minimalist Picatinny Rail Optic Mount
HKP HK Parts
$97.95HKP HK MP5 .22 Minimalist Picatinny Rail Optic Mount Our new picatinny style optic mount is a game changer for those that want to have a minimalist look on their MP5 .22. You can have a picatinny rail with out having to compromise all the real estate...HKP-21369$97.95 -
HKP Leather MP5 Key Chain - Black/Silver
HKP HK Parts
$9.00HKP Leather MP5 Key Chain - Black/Silver Leather MP5 keychain with HK sling style clip.HKP-21452$9.00 -
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 -
Sale
HKP Sig Sauer P320-XFIVE Legion Compensator
HKP HK Parts
Now: $149.95Was: $189.95HKP Sig Sauer P320-XFIVE Legion Compensator for Non-Threaded Barrel Our P320 XFIVE Legion compensator reduces recoil and muzzle flip. Each unit is 100% US made and finished in durable black cerakote. Our XFIVE compensator features a picatinny rail...HKP-21363Now: $149.95Was: $189.95 -
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 -
PTR HK 93/53/33 & G3/91 (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH
PTR
$25.95PTR HK 93/53/33 & G3/91 (5.56/.223) & (7.62x51/.308) Muzzle Brake - Threaded 15x1 RH Correct HK threading 15x1 right hand with HK style retaining spring to latch on the HK splined barrel. Made in the US and counts as one US 922r compliant part...HKP-02148$25.95 -
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 MR556/MR762/416/417/G36/SL8 Complete Gas Piston
H&K Heckler & Koch
$50.95HK MR556, MR762, 416, 417, G36, & SL8 Complete Gas Piston New HK German gas piston assembly with three locking piston rings installed. This is a great spare part to have on hand, as the gas piston takes a lot of wear and tear. Compatible With: HK...HKP-00047$50.95 -
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 -
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 Ambidextrous Sling Pin For Forearm - Small
H&K Heckler & Koch
$66.95HK German Ambidextrous Small Sling Pin For Forearm This ambidextrous pin will allow the user to attach a sling hook to the sling pin. This will also allow the user to use the sling on either the left or right side.HKP-00077$66.95 -
H&K Pistol Mag 6 Slot Pouch
H&K Heckler & Koch
$22.95H&K Pistol Mag 6 Slot Pouch Features: HK licensed red HK embroidered logo Mil-Spec ballistic nylon Durable vonstruction with heavy duty velcro fold-over flap Specifications: Height: 6" Length: 12" Color: black (6) Compartments to fit...HKP-19847$22.95 -
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 -
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