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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HK SP5K Grip Module - SL
Magpul
$219.95 - $239.95Magpul HK SP5K SL Grip Module HK Parts brings a solution for those wanting to upgrade to the Magpul SL grip. This is a perfect option for those wanting improved ergonomics and a modern aesthetic. The pictograms are hand-painted to match the factory...HKP-20945-M$219.95 - $239.95 -
HK91, G3 Barrel Chamber Flute Cleaning Brush
H&K Heckler & Koch
$25.95Heckler and Koch New Chamber Flute Brush for HK91 and HK G3 7.62x51 / .308 This brush is a must-have for cleaning the chamber flutes on a HKG3 or HK91-style firearm. If the flutes become clogged or dirty, the firearm will cease to extract properly...HKP-00500$25.95 -
HK91, G3 Cocking Handle - Rubberized
H&K Heckler & Koch
$32.95HK German G3 & HK 91 Rubberized Cocking Handle - Newest Style A genuine Heckler & Koch part. This is the latest style cocking handle that replaces the standard plastic style cocking handle that chips, cracks, and eventually falls off. This new...HKP-00509$32.95 -
HK416, MR556, AR-15 Buffer Tube Castle Nut
Ergo
$9.99Ergo AR-15 Castle Nut for Buffer Tubes - US Made Steel Castle-nut for AR buffer tubes fits both mil-spec and commercial buffer tubes alike. Compatible With: HK416, MR556 AR-15 style platformsHKP-02729$9.99 -
Out Of Stock
ACRO P-2 Red Dot Reflex Sight - 3.5MOA
Aimpoint
$599.00Aimpoint ACRO P-2 Red Dot Reflex Sight - 3.5MOA Compact and boasting high clarity, the ACRO is a perfect compliment to any SMG platform. Specifications: 3.5 MOA dot size 50,000 hours (over 5 years) of constant operation 4 night vision...HKP-21625-M$599.00 -
Out Of Stock
HK416 E1, MR556 Charging Handle - Ambidextrous
H&K Heckler & Koch
$129.95H&K HK MR556/416 E1 Charging Handle - Ambidextrous HK's design boasts a smooth & easy to release latch with an enhanced oversized charging handle. Compatible With: HK MR556 HK 416 Other AR15, M4 & M16 applicationsHKP-01959$129.95 -
HK MP5, MP5K, SP5, SP5K Bolt Head - 9mm
RCM
$221.95HK MP5, 94, MP5K, & SP89 9mm - Complete Bolt Head Each bolt head incorporates a mixture of the finest quality US-made and factory German HK parts, making a new complete bolt head ready for use. Use this to replace out-of-spec bolt heads and worn-out...HKP-01241$221.95 -
HK91, G3 20 Round Magazines - Shooter Value - 36 Pack - Alloy
H&K Heckler & Koch
$244.95HK 91, G3, PTR Shooter Pack - 36 Pack of 20 Round Alloy Magazines Compatible With: HK G3 HK91 PTR Century Arms C308 SAR8, CETME Custom HK .308 clones or custom buildsHKP-16905$244.95 -
HK MP5, HK90 Series Trigger Box - Semi Auto - Billeted
HKP HK Parts
$69.95HKP HK Parts USA America Made Trigger Pack for HK90 Series, Century, PTR, and Zenith This part is a perfect 922r compliant part as it counts as one of the needed US-made parts. Each unit comes with new style updates for ease of putting parts into...HKP-02384$69.95 -
HK MP5, HK33, HK53, HK93 Catch with Roller for SEF and Navy Trigger Packs
H&K Heckler & Koch
$8.95H&K Friction Sear For SEF, Navy Trigger Packs New HK German Friction Sear for SEF & Navy trigger packs. This item is also referred to as the catch with roller but more commonly called a sear.HKP-16198$8.95 -
HK MP5, MP5K Micro Comp - 9mm - Knurled - Threaded 1/2x28 - Right Hand
HKP HK Parts
$26.95HKP HK MP5/K 9mm Knurled Micro Comp - Threaded 1/2x28 RH Our new MP5 Micro Comp combines the classic appearance of a factory-style thread protector with enhanced functionality. Extended and slotted, this micro compensator not only preserves the factory...HKP-21176$26.95 -
HK MP7 Piston Ring
H&K Heckler & Koch
$9.95HK German MP7A1 Piston Ring For Gas Piston New HK German MP7 piston ring. A high wear & tear item. Works on all HK MP7 models. Each ring is sold individually. 3X are needed for each piston. We suggest ordering 3 and swapping them all at the same time.HKP-17426$9.95