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
HK416, MR556 - Recoil - Buffer - Tungsten - USED
H&K Heckler & Koch
Now: $64.95Was: $89.95HK416, MR556 - Recoil - Buffer - Tungsten - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. The proprietary tungsten HK-manufactured buffer is one of the...HKP-00041-USEDNow: $64.95Was: $89.95 -
HK MR762 A4 Buffer Tube
H&K Heckler & Koch
$95.95H&K MR762 A4 Buffer Tube Factory German-made buffer tube for the MR762 A4. Compatible With: HK MR762 A1/A4HKP-21964$95.95 -
On Sale
HK MP5K Carrier Weldment Tube
USA
Now: $19.95Was: $44.95HK MP5K Carrier Weldment Tube The MP5K carrier weldment tube houses and supports the carrier assembly in the HK MP5K firearm. Each tube ships raw/unfinished and is ready to weld into your build. Compatible With: HK MP5K THIS CLOSEOUT PART IS NOT...HKP-99062Now: $19.95Was: $44.95 -
On Sale
HK MP5 Cocking Tube - Extrusion - 4" - Gunsmith Special
USA
Now: $14.95Was: $39.95HK MP5 4" Cocking Tube Extrusion - Gunsmith Special This 4" cocking tube extrusion is ideal for custom HK-style firearm builds, repairs, or refurbishments, providing a solid foundation for restoring or fabricating cocking tubes on HK MP5, G3, and similar...HKP-99060Now: $14.95Was: $39.95 -
HK MP5K Brace with Direct Fit Adapter - .40 S&W, 10mm
HKP HK Parts
$239.95HKP HK Parts Brace with Direct Fit Adapter for HK MP5K .40, 10mm Designed to adapt UMP style and SB Tactical braces directly to the 40,10 K platform. Made in the USA and available exclusively at HK Parts Compatible With: MP5K .40, 10mmHKP-21835$239.95 -
HK UMP 4 Prong Ported Flash Hider
HKP HK Parts
$49.95HKP HK UMP 4 Prong Ported Flash Hider 4-prong UMP ported flash hider designed for our new UMP 45 parts kit. Not only does it protect exposed threads, it also enhances the appearance of your firearm while delivering flash suppression. Compatible...HKP-21578$49.95 -
HK34 9mm Pistol Build Kit - Navy Binary
HKP HK Parts
$2,199.95HK34 9mm Pistol Build Kit - Navy Binary Just when you thought all permutations of roller-lock kits had been exhausted, HK Parts brings you the HK34. The HK34 strikes a balance between the shoot-ability of a pistol caliber with the versatility of a rifle...HKP-21482$2,199.95 -
Out Of Stock
HK MP5, HK33, HK91 Take Down Pin - Push Button - Large
KNS Precision
$24.99KNS Precision HK Push Button Take Down Pin - Large .275" This 7mm (.275") diameter take-down pin has a spring-loaded push button. When the button is depressed, the stainless steel keeper detents retract for easy pin removal. The pin is designed to...HKP-21388$24.99 -
On Sale
Flash Hider .22 Cal - Titanium - Silver
Tactical Precision MFG
Now: $44.95Was: $88.99TPM Tactical Precision MFG Flash Hider .22 LR - Titanium This titanium tri-port muzzle brake reduces recoil, muzzle rise, and hides the flash. Dust does not kick up due to three offset front ports. Full automatic capable. Less than 1" of rise with a 30...HKP-20778Now: $44.95Was: $88.99 -
HK416, MR556 Handguard Front Sight - Folding
H&K Heckler & Koch
$134.95HK Heckler and Koch Folding Front Sight for HK416, and HK MR556 Handguards German HK built in folding front sight for the forearms and handguards.HKP-19462$134.95 -
HK33, HK93 2-Stage Trigger
Timney Triggers
$388.95Timney Trigger for - HK93, HK33 The Timney HK93 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...HKP-20509$388.95 -
On Sale
HK416, HK MR556 M-LOK Handguard with Overgrip - 11" - Coyote Tan
B&T Brugger & Thomet
Now: $249.95Was: $365.00B&T M-LOK Handguard for HK416/MR556, 11" with "Overgrip" Free-Cut on the Top Rail B&T's one-piece 11" M-LOK handguard for HK416 and MR556 rifles. The handguard is an easy to install, direct replacement requiring no gunsmithing. The...HKP-20401Now: $249.95Was: $365.00