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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B&T APC9, APC45 Stock or Brace Adapter - Telescopic
B&T Brugger & Thomet
$650.00B&T APC9 & APC45 Telescopic Brace/Stock Adapter The B&T telescopic brace adapter is an essential accessory to attach your favorite brace to your B&T firearm. Features: Complete adapter solution- no extra parts to buy except the brace...HKP-18989$650.00 -
HK53 Bolt Carrier - Full Auto - RCM
RCM
$359.95RCM HK53 Full Auto Bolt Carrier US manufactured new-style HK53 factory bolt carrier. The finest HK53 carrier ever made with the latest & greatest German inspired improvements and updates. Ideal for 556/.223 & .300 BLK firearms. This US...HKP-20538$359.95 -
HK33, HK93 Buttstock - A2 Black - Surplus
H&K Heckler & Koch
$99.95H&K HK33/HK93 A2 Black Buttstock - Surplus HK33 complete surplus buttstock assembly in good condition. In perfect working order but will have signs of use. This is the original buttstock for the HK33A2. Compatible With: HK33 HK93 HK53 V33, 53, C93HKP-20133$99.95 -
HK91, G3 Magazine Clamp
H&K Heckler & Koch
$149.95New HK German Magazine Clamp for all HK .308 Magazines New German HK G3 & HK 91 Magazine Clamp fits all HK G3 & HK 91 & PTR 91 steel or aluminum magazines. Clamps HK magazines together for tactical environments. Please Note: This part is no...HKP-00219$149.95 -
HK91, G3, PTR Grip Frame SEF- Metal HK German
$189.95HK91, G3, PTR-91 Style Metal Grip Frame SEMI Each German HK housing started out as a factory HK German select fire metal housing. Each housing then had the housing professionally modified by welding in a factory correct semi auto shelf. After the...HKP-17637$189.95 -
HK MP5, HK90 Series Bushing Sleeve for Elbow Spring - Semi Auto
HKP HK Parts
$8.95HK Parts Distance Sleeve replacement for your elbow spring in your Semi-Auto MP5 New USA manufacture. Semi auto spacer for elbow spring on the HK 90 series trigger packs. Micro polished and made from stainless steel. This is the finest semi auto...HKP-18210$8.95 -
Out Of Stock
HK416, MR556 Magazine Catch
H&K Heckler & Koch
$50.95H&K HK MR556/416 Magazine Catch New HK German manufacture magazine catch for the HK 416 and MR556 family of firearms. Compatible With: HK MR556 HK 416HKP-15458$50.95 -
HK UMP, USC Firing Pin - Complete Assembly - .40 S&W / .45 ACP / 9mm
H&K Heckler & Koch
$82.95HK German USC & UMP Firing Pin Assembly Complete A great spare to have on hand as this item is a hard-to-find replacement part. Compatible With: USC 45 UMP 45 UMP 40 UMP 9mm ALL USC Conversions ALL UMP MG'sHKP-00609$82.95 -
HK MP5 40/10 Magazine Clamp
H&K Heckler & Koch
$129.95New HK German MP5 40/10/.357 Magazine Clamp Fits all MP5 40/10 Magazines. Holds two magazines together for immediate access.HKP-00431$129.95 -
HK MP5, HK90 Series Cocking Tube End Cap Spring
H&K Heckler & Koch
$4.95H&K Cocking Tube End Cap Spring Fits all German, Contract & US made cocking tube end caps. A great spare to have on hand as this part can become worn and be lost. The cocking tube end cap spring applies pressure to the cocking tube end cap/dust...HKP-17980$4.95 -
HK MP5, HK33, G3 Optic Mount - Mid Range
B&T Brugger & Thomet
$129.95B&T MP5, HK33, G3, PTR - Mid Range Mount This scope mount will allow the the use of the HK fixed sights (through an oval opening) and also allowing the optic to sit higher thant the front sight tower for an unobstructed view. This will allow the use...HKP-16882$129.95 -
HK416, MR556, HK417, MR762 Pistol Grip
H&K Heckler & Koch
$78.95HK Heckler and Koch's Pistol Grip with Storage - Black HK German factory pistol grip with a storage compartment in the bottom. It has a superior fit and feel to any other grip on the market. This is a great upgrade for any AR, M16 platform. Compatible...HKP-22298$78.95