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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HK416, MR556 ARC-Fire Mil-Spec Selector - V2 - Long Ambi
AS Designs
$12.95AS Designs V2 Long Ambidextrous Mil-Spec Selector Lever for HK416 and MR556 ARC-FIRE Triggers Replacement long ambidextrous mil-spec selector lever for AS Designs V2 ARC-FIRE trigger systems. ReplaHKP-22809$12.95 -
HK416, MR556 ARC-Fire Trigger - V2 - Non-Ambi Kit - 0° - 90° - 180°
AS Designs
$199.95AS Designs V2 ARC-Fire Non-Ambidextrous Trigger Kit for HK416 and MR556 with 0°-90°-180° Selector Configuration The AS Designs ARC-Fire V2 is a patent-pending Active Reset Clutch (ARC) trigger system...HKP-22808$199.95 -
HK91, G3 Extractor - MKE
MKE
$9.95MKE HK91, G3, PTR Extractor Turkish .308 extractor for HK G3, HK91, PTR, and other G3-pattern rifles. Genuine MKE replacement extractor manufactured from steel for replacing worn, damaged, or...HKP-22883$9.95 -
On Sale
HK MP5 Trigger Group - AR Match - FDE - BLEMISHED
Magpul
Now: $389.96Was: $664.95Magpul AR Match Trigger Group for HK MP5 - FDE Our new and improved HK-AR Navy ambidextrous lower housing is now paired with our match trigger pack and a Magpul MOE grip to make this complete MP5-AR...HKP-99473Now: $389.96Was: $664.95 -
Out Of StockOn Sale
HK MP5, MP5K, AP5-P Optic Mount - Picatinny - BLEMISHED
MKE
Now: $31.84Was: $49.95HK MP5, MP5K, AP5-P Optic Mount - Picatinny - BLEMISHED MISSING GRIPPERS AND HARDWARE COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...HKP-22334-BNow: $31.84Was: $49.95 -
HK21E, HK11A1, HK11E Barrel With Grip - 17.7"
Michaels Machines
$1,478.95MM HK21E, HK11A1, HK11E Barrel - 17.7" Michael's Machines HK21E barrels are crafted in the US from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. Barrels come complete, drop-in...HKP-22540$1,478.95 -
HK91, G3 A2 Stock - Tan - Saudi Contract - Enhanced Heavy Buffer - Like New - Rare
Other
$274.95Rare Saudi Arabian Contract HK91, G3 A2 Stock with HKP Enhanced Heavy Buffer - Tan - Like New VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Original Saudi Arabian contract G3 A2 fixed stock in tanHKP-99420$274.95 -
HK MP5, 90 Series, AP5 Trigger
MKE
$34.95MKE AP5, MP5, 90 Series Trigger Steel trigger manufactured in Turkey for HK 90 Series roller-delayed firearms. Designed as a replacement component for compatible MP5 and related platforms. Compatible...HKP-22519$34.95 -
On Sale
HK UMP40 Bolt Group - Semi-Auto - 40 S&W - USED
H&K Heckler & Koch
Now: $547.46Was: $949.95Heckler and Koch HK UMP40 Bolt Group - Semi-Auto - 40 S&W - USED ONLY 3 UNITS AVAILABLE - VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Complete factory HK bolt group for semi-automatic UMP firearms...HKP-99388Now: $547.46Was: $949.95 -
HK MP5, MP5K Cleaning Brush Rod - 9mm
H&K Heckler & Koch
$294.95HK MP5 Cleaning Brush Rod Factory cleaning rod designed specifically for 9mm MP5 platforms. An essential tool for ensuring optimal function and accuracy. Compatible With: HK MP5, SP5HKP-22494$294.95Out Of StockOn Sale
HK UMP & B&T APC Folding Brace - BLEMISHED
SB Tactical
Now: $40.96Was: $79.95HK UMP & B&T APC Folding Brace - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED CRACKEDHKP-18258-BNow: $40.96Was: $79.95
HK416, MR556 A4 Hammer Washer
H&K Heckler & Koch
$58.95Heckler and Koch Hammer Washer for HK MR556 OEM hammer washer for HK MR556 and HK416 rifles. Factory-spec replacement washer for the hammer assembly, ideal for repairs, rebuilds, or returning rifles...HKP-22434$58.95