HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK 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, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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HK417, MR762, G28 Buffer Tube Wrench
HKP HK Parts
$29.95HKP HK MR762/417/G28 Buffer Tube Wrench The perfect metric wrench to remove and install the MR762 & G28 castle nuts on the buffer tube. A perfect addition to have on hand for G28 buffer tube upgrades, etc. Made from all steel, heat treated and made...HKP-17111$29.95 -
HK91, G3 Firing Pin
H&K Heckler & Koch
$19.95HK G3, HK91, PTR 762/.308 Firing Pin HK German, new factory part made from steel. Great for spares as this is a common wear item. Compatible With: HK G3 HK91 HK PTR CETME & C308HKP-00497$19.95 -
HK91, G3 Stock Set - O.D. Green - Surplus
HKP HK Parts
$24.95Original German Army Used Surplus G3, 91, PTR OD Green Stock Set 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. A great stock...HKP-16332$24.95 -
M-LOK Rail Section - 3 Slots
Magpul
$18.95Magpul M-LOK 3 Slots 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-20495$18.95 -
HK MP5 Magazine - 30 Round - .40 S&W, 10mm
H&K Heckler & Koch
$199.95H&K Heckler and Koch New HK German 30 Round Magazine HK MP5 40,10 Factory German MP5 40,10 magazine will fit all of the HK MP5 40,10 rifles and pistols, including the Vector, Coharie, and other custom builds and clones. Hard to find and the...HKP-00430$199.95 -
HK MP5 Recoil Guide Rod Rivet - Used
H&K Heckler & Koch
$0.48H&K German Recoil Guide Rod Rivet-Used This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. Compatible With: G3, 91, 33, 93, 53 MP5, 94 MP5K SP89 HK21 variantsHKP-16985$0.48 -
HK Receiver Flat Bending Jig Set - Billet Steel
HKP HK Parts
$599.95Flat Bending Jig Set For All HK Style Flats - Billeted - All Steel All steel billeted universal flat bending jig for all HK receiver flats including PTR .308 flats and the PTR/LSC flats. Each bending jig comes complete with all the pieces you need for...HKP-19595$599.95 -
Out Of Stock
HK MP5 Bolt Group, Complete - 9mm - Full and Semi
RCM
$409.95Complete Bolt Group - RCM - HK Style MP5 9mm Ideal to replace out of spec, worn or broken bolt groups or for that custom build. This is the finest US BCG available. Each bolt group comes complete, assembled ready to go. Includes: Bolt head complete 100...HKP-19317$409.95 -
Trigger Pack Hammer Spring - Extra Power - 5.56 / .223 - 7.62x51 / .308
H&K Heckler & Koch
$14.95H&K (5.56/.223) & (7.62x51/.308) Hammer Spring- Extra Power New HK German extra power hammer spring for all .308/.223 Semi & Full Auto Trigger Packs. This is a must have spare replacement part for your HK firearm parts bin. The heavy hammer...HKP-16447$14.95 -
HK91, G3, PTR Armorer's Manual
HKP HK Parts
$19.95HK 91, G3, & PTR Armorer's Manual This manual is the best manual available for the HK .308 G3, 91, or PTR family of firearms. See the photos for the table of contents.HKP-02635$19.95 -
HK Handguard Sling Pin - Ambi - Small
H&K Heckler & Koch
$61.95HK 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$61.95 -
HK416, MR556, G36, SL8 Piston Ring - Replacement Set of 3 - USA
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