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 MP5 A3 Retractable Buttstock Lever Rebuild Kit
H&K Heckler & Koch
$49.95Heckler and Koch Lever Rebuild Kit for A3 Retractable Buttstocks Rebuild kit for worn out or to complete A3 retractable stocks with metal back plate Compatible with: MP5 HK33 HK91, G3HKP-22547$49.95 -
On Sale
HK MP5 Magazine Body ONLY - 30 Round - GUNSMITH SPECIAL
MKE
Now: $24.95Was: $49.95HK MP5 Magazine Body ONLY - 30 Round - GUNSMITH SPECIAL VARYING CONDITION SHOWN - SOLD INDIVIDUALLY DENTED AND WARPED MAGAZING BODY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART...HKP-21184-GSNow: $24.95Was: $49.95 -
HK21 FMP Ultimate Build Kit - Matching Numbers - Complete MM Barrel
FMP HK CONTRACT
$4,148.95HK21 Ultimate Build Kit- Matching Numbers with Michael's Machines Complete Barrel HK Parts brings you another exhaustive parts kit. Our numbers-matching Ultimate HK21 parts kit includes everything you need to resurrect an iconic classic and hit the...HKP-22538$4,148.95 -
HK G36C Parts Kit with Rear Hinge Section - RARE
H&K Heckler & Koch
$5,495.95Heckler and Koch De-milled G36C Parts Kit with Rear Hinge Section - RARE Rare, original HK G36C de-milled parts kit with rear hinge receiver section. A true centerpiece for serious HK collectors and G36C enthusiasts. This is a one-time offering of...HKP-22486$5,495.95 -
HK MP5, MP5K, MKE AP5, AP5-P Case Deflector - 9mm Receivers
MKE
$24.95MKE AP5, AP5-P, HK MP5, MP5K Case Deflector for 9mm Receivers This steel case deflector is manufactured by MKE for AP5 firearms and fits MP5-pattern 9mm receivers. It installs on the ejection-port flat of the receiver and is riveted or welded in place to...HKP-99349$24.95 -
Woody Stock - Walnut - Picatinny Mount
WOOX
$228.95 - $298.95WOOX Woody Stock - Walnut The WOOX Woody Stock is a premium upgrade for rifles and SMGs featuring a Picatinny stock interface. Crafted from solid American walnut, it delivers classic warmth with modern ergonomics; featuring an adjustable cheek riser, QD...HKP-22461-M$228.95 - $298.95 -
HK MR762 A4 Barrel - 16.5" - Proofed
H&K Heckler & Koch
$459.95HK MR762 A4 Barrel - 16.5" - Proofed Factory proofed HK MR762 A4 16.5" barrel with standard 5/8x24 RH thread pitch. Compatible With: HK MR762 A4HKP-22453$459.95 -
M-LOK Rail Panel Cover - 2 Slot
JMK
$13.95 - $18.95JMK Rail Panel Cover - M-LOK - 2 Slot JMK M-LOK rail panels are compatible with platforms featuring M-LOK slots. These modular panels are suited for numerous applications. Each panel is sold individually. M-LOK panels are CNC-machined from solid...HKP-22402-M$13.95 - $18.95 -
On Sale
HK416 A5 Bolt Carrier
H&K Heckler & Koch
Now: $1,549.95Was: $1,997.95H&K HK416 A5 Bolt Carrier Factory HK416 A5 full auto bolt carrier. This carrier is backwards compatible with earlier HK416 A1 and A3 variants. Features the updated captive firing pin retaining system. Compatible With: HK416 A5 HK416 A1 HK416...HKP-22328Now: $1,549.95Was: $1,997.95 -
HK MP5 Trigger Group - AC Unity Grip - Match Trigger
HKP HK Parts
$644.85HKP HK MP5 Trigger Group with AC Unity Grip & Match Trigger The MP5 match trigger group combined with the AC Unity grip is a great choice for anyone seeking a tactical and aesthetically pleasing build. Featuring a robust metal housing and a top-tier...HKP-22250$644.85 -
HK416, MR556 Bayonet Adapter - M27 Style
H&K Heckler & Koch
$69.95Heckler and Koch Bayonet Adapter HK416, MR556 for M27 Build OEM bayonet adapter for HK416 and MR556 rifles for M27-style builds. Mounts to the barrel assembly to accept a standard bayonet. Specifications Bayonet adapter only (roll pin sold...HKP-22191$69.95 -
On Sale
HK93, HK53, AP53 Binary Trigger Group- 3 Position Navy Engraved
H&K Hechler & Koch / FA Franklin Armory
$899.95 - $989.95Franklin Armory/H&K 53/93 & AP53 Binary Trigger Group- 3 Position Navy Engraved US-made binary trigger group installed in a German Navy-style polymer housing. Features a 3-position selector with 0,1,F pictogram markings. All three positions align...HKP-22170-M$899.95 - $989.95