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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On Sale
HK21 FMP Complete Build Kit- Non Matching Numbers
FMP HK CONTRACT
Now: $2,987.95Was: $3,124.97HK21 Complete Build Kit- Non Matching Numbers HK Parts brings you another exhaustive parts kit. Our HK21 parts kit includes everything you need to resurrect an iconic classic and hit the range for belt-fed action. We also included our own hanger with a...HKP-21626Now: $2,987.95Was: $3,124.97 -
HK MP5K 3 Position (0,1,F Pictogram) Navy Style Ambidextrous Housing - Push Pin
H&K Heckler & Koch
$369.95H&K MP5K 3 Position (0,1,F Pictogram) Navy Style Ambidextrous Housing - Push Pin - 9mm This is a factory German push pin style housing. HK marked and new latest factory fresh production. Specifications: 3 Position Pictogram Markings: 0,1,F Navy...HKP-17143$369.95 -
Out Of Stock
B&T APC Stock or Brace Adapter - Telescopic
B&T Brugger & Thomet
$94.95B&T APC9/APC45/APC223/APC300 Telescopic Brace/Stock Adapter Swiss made B&T brace adapter for the APC9/APC45/APC223/ACP300 telescopic stock. Adapter replaces the buttpad on the BT-20394 and BT-20407 APC telescopic stocks and allows the attachment...HKP-19860$94.95 -
Out Of Stock
M-LOK Rail Section - 7 Slot - KeyMod - Red
Strike Industries
$25.95Strike Industries M-LOK & KeyMod Universal 7 Slot Rail Section - Red Strike Industries LINK attachment system takes the age old question Key-Mod vs. M-LOK and came up with the ultimate solution, a dual interface design compatible with both M-LOK and...HKP-19188$25.95 -
HK416, MR556, G36 Cleaning Kit, Complete - Carrying Case
H&K Heckler & Koch
$79.95HK Factory German G36, HK416, & MR556 Complete Cleaning Kit Each kit includes the following parts: Saf-T-Clad cleaning rod Accessory adapter section #8-32 Patch holder Chamber cleaning brush Bore cleaning brush Double-ended utility brush Formula 3...HKP-00035$79.95 -
HK G3 Parts Kit
H&K Heckler & Koch
$397.95HK German G3 .308/7.62 X 51mm Surplus Parts Kit Each parts kit comes with all parts from a functional HK G3 full auto rifle that was demilled into a parts kit except for the barrel and receiver. Each part of the parts kit will vary from fair to excellent...HKP-00827$397.95 -
HK91, G3 A2 Fixed Buttstock - Jungle Green - Surplus
H&K Heckler & Koch
$25.95H&K 91/G3 (7.62x51/.308) Fixed Stock - Jungle Green - Surplus Used jungle green German surplus stock complete. Ready to install on your HK or clone rifle. Used in perfect working condition. Each stock includes all parts to be a complete stock ready...HKP-16270$25.95 -
HK91, G3, PTR Magazine - 10 Round - Aluminum
H&K Heckler & Koch
$69.9510-Round 308 Magazine For HK Rifles - Alloy Aluminum Each HK magazine is made by using a factory German HK 20-round mag, that is then professionally converted to 10 rounds. Perfect for shooting bench or prone as the 20-round magazines are too long and...HKP-00351$69.95 -
HK PTR91 Triple Frame Sight Tower
H&K Heckler & Koch
$49.95PTR Triple Frame/Front Sight Tower for PTR Barrels This is a German HK triple frame that has been machined to accept the larger profile of the PTR barrels. Ready to use on your PTR91 barrels. Each sight tower includes machined front sight tower to fit...HKP-16325$49.95 -
HK MP5 Parts Kit - Pistol Build - Receiver Flat and Weldment Set - 9mm
HKP HK Parts
$1,699.95MP5 9mm Pistol Build Kit Complete German & USA Made Parts MP5 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as a pistol (N/A) rifle, or SBR...HKP-18039$1,699.95 -
HK MP5 3 Position 0,1,F Navy Housing
HKP HK Parts
$169.953 Position 0,1, F Navy Ambidextrous Grip Housing - US MADE US-made Navy ambidextrous grip housing, ideal for any factory German ambidextrous trigger pack or US-made trigger pack. This offering counts as one US-made compliant part. Not compatible with SEF...HKP-18196-M$169.95 -
Out Of Stock
HK G36 Magwell
H&K Heckler & Koch
$79.95H&K HK G36 Magwell - Black Factory German G36 magwell. Great for a replacement component or a critical piece of the puzzle when converting an SL8 to a G36. Compatible with factory HK and Magpul G36 magazines alike. Compatible With: HK...HKP-00625$79.95