Rifle / SMG Parts
Elevate Your H&K Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your H&K rifle with top-notch parts and accessories. From MP5 and MP5K to SP5 and UMP/USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, SP5K, G36, or MP5 22, we have the H&K rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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Clubfoot Stock For HK .308 Rifles - Green
USA
$299.95US & German HK G3, 91, PTR-91 Or Clone Club Foot Stock HK clubfoot stock comes fully assembled with both US & German H&K parts. Includes: HK 21E Clubfoot central stock section (counts as one US compliant part) HK heavy rubber buttpad USHK...HKP-19667$299.95 -
Out Of Stock
Contoured Style - SEF - Match Trigger Group - HK SP5K
H&K Heckler & Koch
$0.00Contoured Style - SEF - Match Trigger Group - HK SP5K Upgrade your SP5K with this top-quality SEF Contoured Style RH Match Trigger Group. Ready to drop on your SP5K receiver, it serves as an excellent replacement trigger group, designed specifically for...HKP-19496$0.00 -
Elevated Cheek Rest For Folding/Adjustable Stock - Black
B&T Brugger & Thomet
$65.95Elevated Cheek Rest For Folding/Adjustable Stock Special optics (night vision, thermal) require higher mounts. In these cases an elevated cheek rest is helpful in order to position the eye and the head in the optimal position. The B&T cheek...HKP-18105$65.95 -
On Sale
FA ACR-C1 Bushmaster ACR Binary Firing System
FA Franklin Armory
Now: $394.95Was: $499.95FA ACR-C1 Bushmaster ACR Binary Firing System All tactical and competitive shooters should upgrade their triggers with this Franklin Armory BFSIII ACR-C1 binary firing system for Bushmaster ACR. These rifle triggers by Franklin Armory operate in 3...HKP-21005Now: $394.95Was: $499.95 -
On Sale
GHW Scorpion Tailhook Mod 1 Brace Adapter
Gear Head Works
Now: $9.95Was: $19.95GHW Scorpion Tailhook Mod 1 Brace Adapter This adapter allows the user to mount the Patented Tailhook Mod 1 brace to the factory CZ folding cheek rest. It is injection molded reinforced polymer and can be installed to your choice of 3 positions. Features...HKP-19137Now: $9.95Was: $19.95 -
H&K / HKP V51 Fixed Stock
HKP HK Parts
$279.95H&K / HKP V51 Fixed Stock Finally after years of unobtainable replacement stocks for your Vector V51 firearm we now bring you multiple A2 style options to dress your V51 to your liking. We take a like new back plate and convert it into a V51...HKP-21270-M$279.95 -
Out Of Stock
H&K 21E/23E (7.62x51/.308) & (5.56/.223) Recoil Spring
H&K Heckler & Koch
$79.95New German HK Factory 21E & 23E Recoil SpringHKP-02001$79.95 -
H&K 40/10 SEF Trigger Pack - Semi
H&K Heckler & Koch
$269.95H&K MP5 40/10 Semi-Auto SEF Complete Trigger Pack We have one of the best HK gunsmiths in the country who can take German HK F/A trigger packs and modify them to semi-auto. This is done with the best and most precise machinery and jigs made...HKP-00979$269.95 -
H&K 91/G3 (7.62x51/.308) Stock Set w/ Backplate - Black - Used Good
H&K Heckler & Koch
$299.95Original G3, 91, PTR German Army Used Surplus Black Stock Set - Complete Factory HK German production. Each stock set is used but in perfect working order. Each set is in overall good condition. Most will clean up nicely with a little TLC...HKP-16205$299.95 -
H&K 93/53/33 (5.56/.223) Complete FBI Trigger Group - Clipped & Pinned
H&K Heckler & Koch
$749.95H&K 93, 53, & 33 (5.56/.223) Complete FBI Trigger Group - Clipped & Pinned Genuine Heckler and Koch German Parts.HKP-00019$749.95 -
H&K Clipped & Pinned Semi-Auto FBI (0,1) Ambidextrous Trigger Group
H&K Heckler & Koch
$799.95H&K Clipped & Pinned Semi-Auto FBI (0,1) Ambidextrous Trigger Group HK German factory Clipped & Pinned Semi-Auto FBI (0,1) Ambidextrous Trigger Group in 9mm For Your HK94 Or MP5 Conversion, this part updates your HK to the newer style...HKP-00154$799.95 -
H&K G36 (5.56/.223) Burst Disconnector Spring
H&K Heckler & Koch
$9.95HK German G36 2 Round Burst Disconnector Spring For All HK Burst G36 Burst LowersHKP-12703$9.95 -
$7.95 -
Out Of Stock
H&K G36/SL8 (5.56/.223) Dual 3x Optic Carrying Handle
H&K Heckler & Koch
$2,899.95HK G36, SL8 Dual Optic Rare in brand NEW condition. Brand new factory fresh HK G36/SL8 3X dual optic. In all the years, of offering HK parts and accessories...we have never been able to get brand new dual optics directly from HK Germany. Update: HK...HKP-17606$2,899.95 -
H&K HK 416, 417 Buttstock Release Lever - RAL 7008
$21.95Buttstock Release Lever - RAL 7008 - HK 416 & 417HKP-19527$21.95 -
H&K HK G3 Early Style Backplate with Recoil Rod - Used
H&K Heckler & Koch
$24.95G3 - Early Production CETME, G3 HK91 Backplate - UsedHKP-19556$24.95 -
H&K HK G36 Complete Full Auto Slide
H&K Heckler & Koch
$24.95H&K HK G36 Complete Full Auto SlideHKP-16360$24.95 -
H&K HK G36/SL8 New Style Scope Rail HK German - Black
H&K Heckler & Koch
$244.95HK German HK SL8 & G36 Picatinny Scope With Rail/ Carry Handle This is the perfect mounting solution for optics. Made from the highest quality combat grade aluminum with a hard coat anodized black finish. Compatible With: G36 models SL8...HKP-01878$244.95 -
Out Of Stock
H&K HK MP5 40/10 (0,1,2,F) Complete Trigger Group - Used
H&K Heckler & Koch
$0.00H&K HK MP5 40/10 (0,1,2,F) Complete Trigger Group - Used Used HK German MP5 40/10 (0,1,2,F) Trigger Group Complete. All German HK pull off's of used German MP5 40's.HKP-00158$0.00 -
H&K HK MR556/417 Index Pin Spring
H&K Heckler & Koch
$7.95H&K HK MR556/417 Index Pin SpringHKP-17021$7.95 -
H&K HK MR556/MR762 Buttstock Release Lever Insert
H&K Heckler & Koch
$26.95HK MR556 & MR762 Buttstock Release Lever InsertHKP-16620$26.95 -
H&K HK MR556/MR762/416/417 Sear Release Rocker Latch
H&K Heckler & Koch
$99.95HK 416/MR556 & MR762/HK 417 Sear Release Rocker Latch For Lower Compatible With: MR 556 MR 762 HK 416 HK 417HKP-12705$99.95 -
H&K HK MR762/417 14.7" Modular Rail System - Black
H&K Heckler & Koch
$479.95HK MR762, CR762 & HK 417 14.7" Extended Modular Rail System (MRS) - Black - Rare New HK German modular rail system for the HK MR762. Each unit comes with 2 X 5 slot rails attached on the HKey attachment system as well as all hardware for attachment...HKP-17343$479.95 -
H&K HK MR762/MR556 Buttstock Release Lever Insert Spring
H&K Heckler & Koch
$9.99H&K HK MR762/MR556 Buttstock Release Lever Insert SpringHKP-16611$9.99 -
H&K MP5 40/10 Trip Lever - Modified
H&K Heckler & Koch
$24.95HK German Trip Lever This has been modified and polished for HK-registered sear packs (Fleming, Qualified). This item is set up for use with MP5 40/10 trigger packs. This is the friction type of trip lever for SEF or Navy sear packs. Please Note: This...HKP-00415$24.95 -
H&K MP5 A3 Rear Stock Fork Section With Buttpad
H&K Heckler & Koch
$429.95H&K MP5 A3 Rear Stock Fork Section With Buttpad A common repair item as the buttpad can crack or break off with time or hard use. A hard-to-find item, available here at HK Parts. For use with new style A3 German stocks, NOT the older style stocks...HKP-01044$429.95 -
Out Of Stock
H&K MP5 Stock Locking Lever With Spring
H&K Heckler & Koch
$0.00HK MP5, A3, HK91, & G3 Retractable Stock Locking Lever With Locking Spring Compatible With: MP5 (NOT compatible with MP5 .22 LR)HKP-02560$0.00 -
Out Of Stock
H&K MP5K/SP89 9mm SEF Contoured Trigger Group - Clipped & Pinned
H&K Heckler & Koch
$0.00New HK German SP89, MP5K Semi Auto - Clipped & Pinned SEF Trigger Group Each unit includes the professionally converted SEF clipped and pinned housing and semi-auto-only trigger pack. All trigger groups include a new 3rd-generation 9mm ejector lever...HKP-01691$0.00 -
Out Of Stock
H&K Shifter Rod - Burst Trigger Packs
H&K Heckler & Koch
$59.95German HK Trigger Pack Shifter Rod For Burst Trigger PacksHKP-02054$59.95 -
H&K UMP (.40 S&W) 30 Round Magazine Housing
H&K Heckler & Koch
$69.95New HK UMP .40 30 Round Magazine Housing New HK German UMP .40 30 round factory magazine body. A great spare part in the event that your mag body is damaged or cracked.HKP-16369$69.95 -
H&K XX Marked 9mm Strutted Hammer
H&K Heckler & Koch
$159.95HK XX Marked 9mm Strutted Hammer Compatible With: MP5, 94, SP5 MP5K, SP89, SP5K MP5 40, MP5 10 Clones or other custom buildsHKP-00148$159.95 -
Out Of Stock
HK 416/MP5 Sling Swivel
HKP HK Parts
$34.95HK 416/MP5 Sling Swivel Sling swivel for the Walther 416 and MP5 .22 rifles. This will attach to the quad rail on the 416 to give you an attachment point for a 2 point sling. May also be used with the an MP5 that has a tri rail set up.HKP-16318$34.95 -
HK 417 German Parts Kit w/ 12" Barrel
H&K Heckler & Koch
$26,000.00HK German 417 Assaulter 12" Parts Kit - Unfired The ultimate HK unicorn. Have you ever seen one let along seen a brand new German UNFIRED HK417 Assaulter parts kit with EVERY single part with the exception of the stripped lower? This is the ultimate HK...HKP-18433$26,000.00 -
Out Of Stock
HK German Vertical Foregrip - Black
H&K Heckler & Koch
$96.95HK German Picatinny Vertical Foregrip - Black (With slide in for LM/LLM Switch) Compatible With: MP5, MP5K MP5SD MP7A2 G36, G36K, G36C HK 416 HK417 All firearms featuring a Picatinny railHKP-20518$96.95 -
HK MP5/K & UMP .40 S&W 3-Lug Barrel Thread Protector - Threaded 9/16x24
$299.95HK MP5/K & UMP .40 S&W 3-Lug Barrel Thread Protector - Threaded 9/16x24 This is 3-lugged Barrel with a 9/16x24 thread protector. It is rare hard to find, there are only a few available. Specifications: 3-Lugged Barrel Includes Thread Protector...HKP-02318$299.95 -
$14.95 -
Out Of Stock
HK MP5K/SP5K/SP89 Vented Horizontal Forearm with Handstop - Black
USA
$44.95MP5K, SP5K, SP89 - Vented Horizontal Forearm with Handstop Each forearm will fit the MP5K or SP89 style of firearms. As an added bonus this item counts as a US made part toward 922r compliance. Each forearm has the latest enhancements and upgrades...HKP-19471$44.95 -
Out Of Stock
HKP G36K Barrel Front End Kit
HKP HK Parts
$889.95G36K Barrel Front End Barrel Kit - 223/556 New production HK G36K style barrel conversion and front end kit. Each kit will include the necessary parts to build a G36/SL8 variant into the G36K barrel length variant as pictured. All you need is this kit to...HKP-18225$889.95 -
On Sale
HKP HK MP5 Navy Binary Trigger Group - Engraved - RAL 8K - BLEMISHED
FA Franklin Armory / HKP
Now: $849.95Was: $1,499.95Franklin Armory BFSIII HK-C1 – Trigger Group - RAL 8K HK MP5 Navy PLEASE NOTE: SOLD AS-IS DUE TO THE PICTOGRAM PAINT BEING BLEMISHED - SEE PHOTOS. 3 Position Navy style Engraved Pictograph – HK Binary Trigger Group Our latest and...HKP-21291-BNow: $849.95Was: $1,499.95 -
HKP HK MP5 Single Stage Semi Auto Trigger Pack - SEF
HKP HK Parts
$449.95HKP/H&K MP5 9mm Semi-Auto SEF Single Stage Trigger Pack This trigger pack starts as a factory F/A trigger pack before being converted into a semi-auto trigger pack and receiving single-stage trigger work. This is the best option for users who...HKP-21083$449.95