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 MR762 A4 Handguard - Quick Detach - 14.4"
H&K Heckler & Koch
$739.95Heckler and Koch 14.4" Quick Detach Handguard for HK MR762 A4 Factory HK 14.4" handguard for the MR762 A4. This rail uses the correct HK quick-detach mounting system for fast removal and secure reattachment. Constructed from lightweight, durable aluminum...HKP-21936$739.95 -
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 -
On Sale
HK MP5, MP5K Magazine - 30 Round - LEO Marked - TiN Coated - Sterling, VA - BLEMISHED
H&K Heckler & Koch
Now: $117.95Was: $159.95HK MP5, MP5K Magazine - 30 Round - LEO Marked - TiN Coated - Sterling, VA - BLEMISHED POOR FINISH - OPEN PACKAGING COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL...HKP-21792-TiN-S-BNow: $117.95Was: $159.95 -
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 -
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 -
HK UMP 45 Magazine Spring - .45 ACP - 15 Round - US
HKP HK Parts
$9.95HK UMP .45 15 Round Magazine Spring Perfect for spares and to have on hand as these are consumable item that needs to be replaced from time to time. A must have item if you own a USC/UMP conversion or UMP.HKP-20679$9.95 -
HK UMP .45 Conversion Kit
$1,099.95H&K HK UMP .45 Conversion Kit This kit optimizes the UMP platform by allowing the user swap between calibers in approximately 5 minutes. The Michael's machine semi-auto bolt pairs perfectly with the TPM and Gideon Shadow receivers as well as USC to...HKP-20623$1,099.95 -
HK SL8 Magwell - Used - Gray
USA
$9.95HK SL8 Magwell - Used - Gray Used Magwell - Gray - SL8HKP-20056$9.95