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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H&K HK MP5 30 Round Mag Pouch - 3 Straight Mags - Used
H&K Heckler & Koch
$24.95German H&K MP5 9mm 30 Round Magazine Pouch - Fits 3 Straight MP5 Mags - Used to Good Used to good shape German HK magazine Pouch for HK MP5 sticks mags. This is the first production MP5 style of magazine pouch. Each mag pouch is made in Germany and...HKP-20728$24.95 -
H&K HK MP5, MP5K MIM & Machined Rear Sight Base
H&K Heckler & Koch
$14.95MP5, MP5K Rear Sight Base - Weldment New HK MP5, MP5K 17-4 Stainless H900 rear sight base. The most correct MP5, MP5K rear sight base available. The only factory correct sight base with the factory HK German side axis grooves. If you want your build to...HKP-19705$14.95 -
Sale
H&K HK MP5/SP5 Barrel Assembly - Refinished
H&K Heckler & Koch
Now: $149.95Was: $399.95H&K HK MP5/SP5 Barrel Assembly - Refinished / Like New German H&K like new refurbished cold hammer forged barrel for MP5/SP5/HK94. Features a tri-lug for suppressor attachment. The most ideal barrel for future builds or re-barreling your current...HKP-21435Now: $149.95Was: $399.95 -
H&K HK MR556/416 Right or Left Side Safety Selector
H&K Heckler & Koch
$39.95HK German MR 556 & HK 416 Safety Lever- Right Or Left Side: HK German manufactured right or left side selector lever for the ambidextrous controls of the HK 416, MR556 family of firearms. It will work for both semi and select-fire models. Each set...HKP-15250$39.95 -
H&K HK MR556/416 Threaded Pin for Buttstock Insert
H&K Heckler & Koch
$4.95HK MR556, HK416 Threaded Pin For E1/E2 buttstock Release Lever Insert New HK German manufactured E1/E2 stock release and tightening screw that takes the slack and slop out of the stock when in desired position. Compatible With: HK MR556 HK 416HKP-16604$4.95 -
H&K HK MR556/MR762/416/417 Magazine Catch Spring
H&K Heckler & Koch
$9.95HK MR556, HK 416 & MR762 & 417 Magazine Catch Spring HK German manufacture. Compatible With: HK MR556 HK 416, M27 HK MR762 HK 417, G28 AR15, M4 & M16 firearmsHKP-02620$9.95 -
H&K HK P30L Recoil Rod Bushing Sleeve
H&K Heckler & Koch
$11.95HK P30L Recoil Rod Bushing Sleeve Compatible With: HK P30L 9mm HK P30L .40HKP-02435$11.95 -
H&K HK SP5 German Folding Stock with HK Parts Adapter
$299.95German Folding Stock with HK Parts Adapter - SP5 German folding stock with a SP5 HK Parts adapter. The HK Parts adapter is made from a solid billet of CNC machined aircraft grade aluminum and offers a QD attachment point. This will be a drop in stock for...HKP-20645$299.95 -
H&K HK USP 9mm/.40 S&W Recoil Rod Assembly
H&K Heckler & Koch
$82.95H&K HK USP 9mm/.40 S&W Recoil Rod Assembly New HK German USP full size USP 9/40 recoil assembly complete. A great spare part to have on hand as the recoil spring is a high-wear item. Compatible With: HK USP 9mm HK USP .40HKP-01458$82.95 -
H&K HK USP/USPC/45 Series Complete Sear - Black
H&K Heckler & Koch
$34.95Complete Sear - Black Compatible With: HK USP Full-Size 9mm, .40 & 45 HK USP Compact 9mm, .40 & 45 HK45, HK45 Tactical HK45C, HK45C TacticalHKP-01173$34.95 -
H&K HK94 "SD" Style Barrel Shroud
H&K Heckler & Koch
$99.95HK94 "SD" Style Barrel Shroud Fits all factory HK94 rifles or barrels and is made to factory German HK94 specs. Designed to cover the 16" barrel and provide a neat SD style look without the cost of a full conversion made of...HKP-02100$99.95 -
H&K SP5 9mm Spec Only SEF Navy Style RH Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$179.95H&K SP5 9mm Spec Only SEF Navy Style RH Trigger Housing - Clipped & Pinned Fits only HK SP5 9mm. This trigger house is for use with SEF style trigger packs. This will not work with the ambidextrous style trigger pack that comes with the factory...HKP-19233$179.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Lower Locking Pin
H&K Heckler & Koch
$36.95HK German UMP Lower Locking Pin For use with all HK UMP lowers and USC to UMP conversions. New HK German manufacture.HKP-00595$36.95 -
HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin-Thumb Screw Style
HDPS
$74.95HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin-Thumb Screw Style The original thumb screw version for all stock block B's.HKP-15731$74.95 -
HK G36 Backplate Complete w/ Recoil Assembly
USA
$84.95HK G36 Backplate Complete With Recoil Assembly New G36 Backplate with new G36/SL8 recoil buffer and recoil assembly. This assembly does include the recoil rod retaining screw. This is a great spare or replacement to have on hand. These are also required...HKP-18537$84.95 -
HK HK91, G3, SAR8 Target Solid Wood Stock Section
$44.95HK HK91, G3, SAR8 Target Solid Wood Stock Section Unknown manufacture solid wood stock section incomplete. The wood is solid and beautifully made. We are not sure where they came from or who made them this was a warehouse find and one time deal. Perfect...HKP-19512$44.95 -
HK P30SK 9mm Complete Recoil Spring Assembly
H&K Heckler & Koch
$64.95HK P30SK 9mm Complete Recoil Spring Guide Rod Assembly Brand new HK German manufacture. Compatible With: P30SK 9mmHKP-17938$64.95 -
Sale
HKP Canik TP9SFX Compensator
HKP HK Parts
Now: $149.95Was: $189.95HKP Canik TP9SFX Compensator Crafted from aircraft-grade billet aluminum and finished in durable Cerakote. Features multiple muzzle ports and the additional weight to significantly reduce both muzzle flip and recoil. Compatible With: Canik...HKP-21282Now: $149.95Was: $189.95 -
HKP HK 416C 9" Complete Upper Receiver Assembly
HKP HK Parts
$2,799.95HK416C Complete Upper Kit - 9" After years trying to get these back in. We finally bring you a rare unicorn of a find. With our complete 416c upper kit all that would be needed to complete this kit would be a mil-spec lower or a STS 416c lower...HKP-21042$2,799.95 -
HKP HK MP5, SP5 20 Round Magazine Spring
HKP HK Parts
$6.9520 Round Magazine Spring - HK MP5, 94, SP5 Fits all factory spec steel 20 round MP5, 94 style curved magazines. A must-have repair and replacement part great for spares.HKP-20687$6.95 -
HKP MP5 40/10 Magazine Follower
HKP HK Parts
$9.95HKP MP5 40/10 Magazine Follower A perfect replacement part for all HK MP5 40/10 magazines. Also counts as one 922r compliant part.HKP-16506$9.95 -
HKP MP5K/SP89/SP5K 9mm AR/M4 Adapter & Stock Assembly
HKP HK Parts
$229.95HK MP5K, MP5K-N AR Magpul Stock Each HK MP5K AR stock adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR stock adapter...HKP-17175$229.95 -
Lazy Wolf VP C1 Curved Series Trigger - Red
Lazy Wolf
$134.95Lazy Wolf VP C1 Curved Series Trigger - Red In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9 series trigger is the best trigger ever developed after more than a year of...HKP-19152$134.95 -
Sale
Magpul AR-15 Buffer Tube Sling Attachment Point
Magpul
Now: $20.95Was: $30.00Magpul Industries ASAP- Ambidextrous Sling Attachment Point Sling Mount Black For HK MR556, HK 416, & AR15 Style Rifles - US Made The ASAP Ambidextrous Sling Attachment Point allows a range of motion greater than 180 degrees, enabling ambidextrous...HKP-13726Now: $20.95Was: $30.00 -
Michaels Machines Clubfoot with Heavy Rubber Buttpad Stock for HK Rifles - OD Green
Michaels Machines
$199.95Michaels Machines Clubfoot with Heavy Rubber Buttpad Stock for HK Rifles - OD Green US Made Clubfoot (21E/23E Style) Central Buttstock Section With US Heavy Rubber Buttpad in OD Green. Just add your buffer & backplate and you are good to go. Great...HKP-19041$199.95 -
PTR HK G3/91 (7.62x51/.308) Match Barrel - Threaded 5/8x24
PTR
$229.95PTR HK G3/91 (7.62x51/.308) Match Barrel - Threaded 5/8x24 This new PTR-91 US-manufactured 18" heavy profile match grade barrel is perfect for new builds and counts as one US-made compliant part. It features the proper fluted chambers for HK G3/91 rifles...HKP-19633$229.95 -
Timney Triggers MP5 9mm 2-Stage Trigger
Timney Triggers
$489.95Timney Trigger for MP5 9mm The Timney HK MP5 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the utmost in accuracy. This offering comes complete with a Factory German...HKP-20507$489.95 -
Sale
Tin with Flares - 26.5MM
Other
Now: $699.95Was: $899.95Tin with Flares - 26.5MM Sealed tin with 14 10-packs of flares for a total of 140 flares per tin. Each 10-pack of Polish military flares include 2 of each of the following: White Fire, Red Fire, Green Fire, Blue Smoke, and Red Smoke...HKP-20794Now: $699.95Was: $899.95 -
B&T APC9/APC45 Stock Conversion Kit
B&T Brugger & Thomet
$149.95Stock Conversion Kit - APC9/APC45 B&T stock conversion kit for BT-20522 telescopic brace (US Version). Converts the telescopic brace into a telescopic stock. Compatible With: APC9/APC45HKP-19968$149.95 -
Elite Tactical Systems 20 Round MP5 9mm Magazine-Translucent
Elite Tactical Systems
$39.95HK MP5 9mm 20 Round Translucent Magazine Features: Works with ETSCAM-RIFLE speed loader Extremely reliable feeding - Even with hollow points Far lighter than steel magazines Fits standard MP5 mag pouches and couplers Limited 20 round capacity Lifetime...HKP-18739$39.95 -
H&K 33/91/G3 Complete Triple Frame Front Sight Tower
H&K Heckler & Koch
$24.95NEW HK German Front Sight Tower Triple Frame G3 triple frame in. Comes complete with sight blade and roll pin. Compatible With: HK G3 HK G3K HK 93 HK 33HKP-18777$24.95 -
H&K 91/G3 (7.62x51/.308) Fixed Stock with Enhanced Heavy Buffer - OD Green - Surplus
H&K Heckler & Koch
$129.95HK 91, G3 Fixed Stock with Enhanced Heavy Buffer Installed - OD Green - Surplus Used Olive Drab green German surplus stock complete with Enhance DMR buffer installed. Ready to drop in on your HK or clone rifle. Used in perfect working condition. Each...HKP-18932$129.95 -
H&K Bungee Single Point Sling - 1600mm Long
H&K Heckler & Koch
$129.95H&K Bungee Single Point Sling - 1600mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the average sized mag to use. Will fit any HK application...HKP-18182$129.95 -
H&K HK 416/MR556/AR15 Selector Detent Spring
H&K Heckler & Koch
$9.95HK MR556 & HK 416 Selector Detent Spring HK German manufacture. Compatible With: HK MR556 HK416 AR15, M4 & M16HKP-02657$9.95 -
H&K HK 45/45C V3 Left Side Decock Only Lever
H&K Heckler & Koch
$59.99Decock Lever ONLY For Left Side Of Frame - HK45, HK45C This control lever is for those who are right-handed and want the control lever on the left-hand side of the frame with the decock function only. Compatible With: HK45, HK45...HKP-02706$59.99 -
H&K HK MR556, HK 416 A5 Enhanced Incomplete Trigger Guard
H&K Heckler & Koch
$39.95Enhanced HK Trigger Guard Upgrade Incomplete - A5 - HK 416 & HK MR556 Never offered before! Now you can upgrade your MR556, 416 & CR556 to the latest Gen HK 416 A5 Enhanced Trigger Guard. Enlarged trigger guard area to use with gloves...HKP-19377$39.95 -
H&K HK MR762/417 Gas Block Pin
H&K Heckler & Koch
$7.95H&K HK MR762/417 Gas Block Pin This is the retaining pin for an HK MR762 gas block. A must have as HK says you have to use new pins once they are removed.HKP-16596$7.95 -
H&K HK MR762/417 Magazine Catch Spring
H&K Heckler & Koch
$9.95HK MR762, HK 417 Magazine Catch Spring New HK German manufacture. Factory correct magazine catch for the magazine release. Compatible With: HK MR762 HK 417 HK G28HKP-16520$9.95 -
H&K HK MR762/417 Slim Line Stock - RAL 8K
H&K Heckler & Koch
$199.99HK MR762, HK 417 Slim Line Retractable Stock - RAL 8000 New From HK Germany the slim line retractable stock fits all MR762, HK 417 buffer tubes. Marked with the HK logo and issued on specialized HK 417, MR762 rifles. HK Tan RAL 8000 in color. Compatible...HKP-17136$199.99 -
H&K HK SL8, HK G36 Extended Bottom Rail Kit - Black
H&K Heckler & Koch
$99.95H&K HK SL8, HK G36 Extended Bottom Rail Kit - Black This rail is the factory correct HK German manufactured bottom rail for the G36 or SL8 rifle. This allows the longest rail on the bottom of the polymer forearm. 9.25" in length overall. Comes with...HKP-16549$99.95