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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On Sale
HK MP5, AP5 Front Sight Tower - CRACKED - GUNSMITH SPECIAL
MKE
Now: $9.95Was: $49.95MKE AP5, MP5 Front Sight Tower - CRACKED - GUNSMITH SPECIAL SOLD INDIVIDUALLY - CRACKED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Please Note: Will require...HKP-22220-BL-BNow: $9.95Was: $49.95 -
HK MP5 Selector Lever Extension - Used
H&K Heckler & Koch
$24.95H&K MP5 Safety Selector Lever Extension - Used Used factory original HK MP5 safety selector lever extension in good condition. This part affixes to the safety selector lever to extend the safety lever for easier actuation. This is a used part,...HKP-99317$24.95 -
HK416 A5, MR556 A4 Gas Block Spring
H&K Heckler & Koch
$19.95HK Heckler and Koch HK416 A5, MR556 A4 Gas Block Spring German-made gas block spring for the HK MR556 A4 and HK416 A5. Compatible With: MR556 A4 HK416 A5HKP-22060$19.95 -
HK417, MR762A4 Magazine Catch
H&K Heckler & Koch
$99.95Heckler and Koch Magazine Catch for HK417 and HK MR762 German-made magazine catch for HK MR762 A4 and HK417. Compatible With: HK417, MR762 A1, MR762 A4HKP-21961$99.95 -
Out Of Stock
Picatinny Optic Mount - 52mm - Skeleton - Aimpoint ACRO
B&T Brugger & Thomet
$148.95B&T 52mm QD Skeleton Mount for Aimpoint ACRO The B&T QD Skeleton Mount for the Aimpoint ACRO offers a 52mm elevated profile for improved sight alignment. It is ideal for night vision setups that require clearance over forward-mounted IR devices...HKP-21860$148.95 -
HK G36 Magazine Spring - 30 Round
HKP HK Parts
$7.95HKP HK G36 Replacement 30 Round Magazine Spring A high-quality replacement spring designed to restore optimal performance to your G36 magazine. Built to withstand frequent use, this component ensures smooth feeding and reliable function. Compatible...HKP-21830$7.95 -
HK53 Parts Kit - Like New
H&K Heckler & Koch
$13,484.95H&K HK53 Parts Kit - Like New These HK53 kits are undoubtedly the most pristine kits we have ever come across. Some of these kits were only test fired at the factory. Each de-milled kit includes a factory new sling, like-new magazine,...HKP-21780$13,484.95 -
Out Of Stock
HK21E, HK23E, PSG1, PTR Extractor
Michaels Machines
$275.95Michaels Machines HK21E, HK23E, PSG1, MSG90 Extractor Replacement extractor for HK21E, HK23E, PSG1, and MSG90 bolt heads. Extractors are a known wear item on these platforms and are no longer produced by HK. The Michaels Machines extractor is a precise,...HKP-21632$275.95 -
HK UMP 5 Prong Ported Flash Hider - 5/8x24
HKP HK Parts
$89.95HKP HK UMP 5 Prong Ported Flash Hider - 5/8x24 5-prong UMP ported flash hider designed for our new UMP 45 parts kit. Not only does it protect exposed threads, it also enhances the appearance of your firearm while delivering flash suppression. Compatible...HKP-21569$89.95 -
Picatinny 6" Skeletonized Tube with 1913 Folding Mech
JMAC Customs
$227.90JMAC 6" Skeletonized Tube with 1913 Folding Mech This M4 tube adapter replaces the standard buffer tube to ensure the stock folds as flat as possible! Fits most M4 style stocks/braces Features: Integrated QD Sling Sockers 6” Length 6...HKP-21244$227.90 -
HK MP5 Trigger Pack - Single Stage Semi Auto - SEF
HKP HK Parts
$449.95HKP/H&K MP5 9mm Semi-Auto SEF Single Stage Trigger Pack This trigger pack starts as a factory F/A trigger pack before being converted into a semi-auto trigger pack and receiving single-stage trigger work. This is the best option for users who...HKP-21083$449.95 -
On Sale
Bolt Action Drake Bolt Knob - Midnight Bronze - 5/16x24 RH
Tactical Precision MFG
Now: $20.95Was: $39.99TPM - Drake Bolt Knob - Midnight Bronze These bolt knobs are made from aluminum and are finished in midnight bronze Cerakote and will fit any 5/16-24 threaded bolt handle. Features: Material: aluminum Color: midnight bronze Threading:...HKP-20785Now: $20.95Was: $39.99