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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GSG9 HK G36, HK G36K Folding Stock
GSG9
$115.00HK G36 Full Length Stock HK G36 10.5" Stock complete for G36 firearms. The G36/G36K stock is the longest stock option for the G36 family of firearms. For those that would like a shorter stock choose the G36C length stock. Each stock comes complete with...HKP-18219$115.00 -
HK MP5 Receiver Flat- 9mm
LSC
$239.95MP5 Receiver Flat - PTR/LSC New PTR 9mm Receiver Flat made on the original LSC tooling. This flat is considered by many to be the most sought-after HK flat available on the market and perfect for that HK custom build. This item is not considered an FFL...HKP-01431$239.95 -
HK416, HK417, MR556, MR762, AR-15 Selector Detent Spring
H&K Heckler & Koch
$9.99H&K HK MR556/MR762/416/417/AR15 Selector Detent Spring HK German manufacture. Compatible With: HK MR556 HK 416 HK MR762 HK 417 AR15, M4 & M16HKP-02657$9.99 -
Out Of Stock
HK UMP Barrel - .45 ACP - 8" - Threaded 16x1 LH with 3 Lug
HDPS
$399.95HK UMP .45 ACP Barrel - Threaded 16x1 LH - 3-Lug New USA made .45 ACP 8" barrel for the UMP or Omega firearms. Each barrel is threaded 16x1 LH and 3-lug tipped. The finest barrel for the UMP .45 ACP on the market. Specifications: Threaded 16x1...HKP-18678$399.95 -
HK91, G3, HK33, HK53, HK93 Muzzle Protector Cap
H&K Heckler & Koch
$5.95H&K 93/53/33 & G3/91 5.56/.223 & 7.62x51/.308 Muzzle Protector Cap This cap covers the barrel end or flash hider to prevent debris, water, etc., from entering the barrel. The cap can be removed by hand or when the first round is fired with...HKP-13959$5.95 -
HK MP5, HK94 Grip Adapter - K Style
HKP HK Parts
$49.95HK Vertical K Grip Adapter For HK MP5 & HK94 (Adapter Only) This is the adapter needed to add an MP5K K grip to your HK94, MP5, or clone.HKP-00175$49.95 -
HK MP5 & 93/53/33 (9mm & 5.56/.223) SEF Navy Style Polymer Housing - Push Pin
H&K Heckler & Koch
$129.95H&K MP5 & 93/53/33 (9mm & 5.56/.223) SEF Navy Style Polymer Housing - Push Pin Upgrade your older SEF contoured trigger pack with this Navy Style polymer housing, designed to enhance the look and feel of your HK firearm. Specifications: Push...HKP-02462$129.95 -
On Sale
JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28
JMAC Customs
Now: $77.95Was: $99.95JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28 The360HDis the latest evolution in JMac's Custom's™Recoil Reduction Device™ (RRD)family of muzzle brakes, designed to meet the needs of serious shooters and...HKP-21256Now: $77.95Was: $99.95 -
HK MP5 Folding Brace - .22LR - Skeletonized
HKP HK Parts / SB Tactical
$249.95Side Folding Brace For The HK MP5 .22 model A drop in folding brace for your MP5 .22 model pistol. Made from aircraft grade aluminum, QD sling attachment point and a beautiful anodize finish. This is the finest option for your MP5 .22 pistol. Available...HKP-21053$249.95 -
HK SL8, HK G36 Full Size Aftermarket Complete Bottom & Side Rail Set
USA
$69.95HK SL8/G36 Full Size Aftermarket Bottom & Side Rail Set Complete Comes with the bottom and 2 side rails (left and right) as well as the screws and allen wrench. Made of aircraft-grade aluminum and laser marked for easy number identification. New and...HKP-00633$69.95 -
HK416, MR556, MR762 Forward Assist Pin
H&K Heckler & Koch
$4.95H&K HK MR556/MR762/416 Forward Assist Pin Compatible With: HK MR556 HK 416 HK MR762HKP-02662$4.95 -
HK33, HK53, HK93 Trigger Group - SEF Navy Style - Full Auto - Push Pin
H&K Heckler & Koch
$549.95HK German HK93, 33, 33K, 53 SEF Navy Style F/A Trigger Group Complete - Used ON SALE FOR A SPECIAL PROMOTION WHILE SUPPLIES LAST!!! Each trigger group is comprised of genuine Heckler & Koch products Includes: German Full Auto trigger pack with all...HKP-18189$549.95