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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Out Of Stock
HK G36C Buttstock Assembly, Complete
H&K Heckler & Koch
$87.95HK G36C Stock Assembly Complete - German Genuine German Heckler & Koch G36C stock assembly. One full inch shorter than the standard G36 stock. This is the preferred stock for average-height users. Compatible With: G36 G36K G36C G36E SL8 to G36...HKP-00626$87.95 -
HK G36, G36K, G36C Bolt Head, Complete - Rare
H&K Heckler & Koch
$599.95Heckler and Koch HK G36, G36K, G36C Complete Bolt Head Rare new German HK bolt head for the G36, G36K, and G36C. This is the correct factory bolt head needed when converting the SL8 to use double-stack G36 magazines. The assembly comes complete with all...HKP-00636$599.95 -
Out Of Stock
B&T 9mm Dual Mag Clamp
B&T Brugger & Thomet
$52.00B&T 9mm Dual Mag Clamp Double up on your magazines with this magazine clamp made by Brügger & Thomet. Compatible With: B&T APC9 B&T GHM9 B&T SPC9HKP-17440$52.00 -
HK G3, HK91, PTR Handguard - Slimline Style
POF
$19.95POF Slimline HK91, G3, PTR Forearm - POF New POF HK-contract slimline standard-length handguard full size HK G3, 91, PTR rifles. Does not feature internal heat shield. Compatible With: HK91 HK G3 PTR-91 CETME (modification may be needed) Other HK ...HKP-19560$19.95 -
HK416, MR556, HK417, MR762 Trigger Axle
H&K Heckler & Koch
$19.95H&K HK MR556/MR762/417/416 Trigger Axle Axle for Trigger. Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-16623$19.95 -
Out Of Stock
HK416, MR556 9" Quad Rail
H&K Heckler & Koch
$419.95H&K HK 416/MR556 9" Quad Rail HK German 416, MR556 Quad Rail without mounting screw. Specifications: Length: 9 1/4" Color: charcoal gray Compatible With: HK MR556 HK 416HKP-16858$419.95 -
HK416, MR556 Extractor Axle Pin
H&K Heckler & Koch
$11.95HK MR556 & 416 Extractor Axle Pin This factory HK German part holds the extractor in place on the bolt head. This item needs to be changed each time it is removed per HK. Compatible With: HK MR556 HK 416 M27 HK 416 A5HKP-00040$11.95 -
HK416 Retractable Buttstock - Factory
H&K Heckler & Koch
$129.95HK 416 & AR15 6 Position Retractable Stock New HK Marked 6 position AR15 commercial stock. This stock fits all commercial AR-15/M16 buffer tubes. The stock telescopes expands and retracts to 6 locked positions. Marked with the HK logo and...HKP-00049$129.95 -
HK416, MR556, HK417, MR762 Handguard Locking Screw - A1 Style
H&K Heckler & Koch
$24.95Heckler and Koch A1 Handguard Rail System Screw for HK416, HK MR556, HK417, and HK MR762 Factory HK handguard rail screw for A1 handguards. Compatible With: HK416 A1, MR556 A1 HK417 A1, MR762 A1 (2 required per handguard)HKP-02717$24.95 -
HK G36 Bolt Head, Incomplete
GSG9
$225.95G36 Incomplete Bolt Head - USA G36 bolt head allows the use of double stack magazines in your SL8 conversion to high-capacity G36, Magpul, or AR15 magazines.HKP-00802$225.95 -
HK UMP, USC Stock Block B Thumb Screw
HDPS
$74.95HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin-Thumb Screw Style The original thumb screw version for all stock block B's.HKP-15731$74.95 -
Out Of Stock
HK MP5 Barrel Chamber Flute Cleaning Brush - .40 S&W, 10mm
H&K Heckler & Koch
$29.95New HK German MP5 40, MP5 10mm Chamber Flute Brush This is a must-have brush to keep the flute clean and the firearm running the way it should. Get this item while you can, it is no longer in production and is hard to find. Compatible With: MP5 40 MP5...HKP-00139$29.95