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
HK33, HK53, HK93 Firing Pin Spring
H&K Heckler & Koch
Now: $8.96Was: $9.95New HK German 93, 33, & 53 .223/5.56 Firing Pin Spring. A must-have spare part as this is a high wear and replacement item. Compatible With: HK93, 33, 53 V93/V53, C93, C53 Custom builds and clonesNow: $8.96Was: $9.95 -
On Sale
HK MP5 40/10 Ejector Lever
H&K Heckler & Koch
Now: $34.87Was: $38.74German HK MP5 40, MP5 10mm Ejector Lever Get the ejector that is tried and true and the best upgrade you can make with your HK MP5 40 or 10mm. This is the finest and only ejector that will work properly for any length of time. Original factory German HK...Now: $34.87Was: $38.74 -
On Sale
HK MP5, HK94 Spring - Cocking Tube Support "
H&K Heckler & Koch
Now: $6.25Was: $6.95H&K MP5, 94 Cocking Tube Support Spring A great spare to have on hand as this part can become worn and be lost. The cocking tube support spring applies pressure to the cocking tube detent to enable the detent to lock into position when the...Now: $6.25Was: $6.95 -
On Sale
Grip Cap Spring - HK Navy Style
H&K Heckler & Koch
Now: $4.46Was: $4.95H&K Grip Cap Replacement Spring This is the replacement spring that is used on both the US and German made grip caps that can become damaged and broken with use. A great idea to have on hand as the spring will get bent and destroyed with use. We use...Now: $4.46Was: $4.95 -
Out Of StockOn Sale
HK416, MR556, HK417, MR762 Buffer Retainer Spring
USA
Now: $5.36Was: $5.95HK MR556/MR762/416/HK417 Buffer Retainer Spring This item is the spring for the buffer retainer that is held in the rear of the lower receiver. Compatible With: HK MR556 HK 416 HK MR762 HK 417Now: $5.36Was: $5.95 -
Out Of StockOn Sale
HK416, MR556, HK417, MR762 Handguard Locking Screw - X Style
H&K Heckler & Koch
Now: $23.36Was: $25.95HK416, MR556, HK417, MR762 - Handguard Locking Screw Replacement handguard locking screw that secures the handguard to the upper receiver. This version features the "X" allowing the bolt head or HK sling hood tool to be used for installation or removal...Now: $23.36Was: $25.95 -
On Sale
HK SP5K Mag Release Upgrade Kit - 9mm - Drop In Paddle
HKP HK Parts
Now: $59.96Was: $74.95HK SP5K Anti-Rattle Roller Tipped "Paddle" Magazine Release Install Kit No modifications, no refinishing...complete drop-in kit included. New USA made busing for a drop-in install kit for the HK SP5K. This kit will allow any end-user to quickly,...Now: $59.96Was: $74.95 -
On Sale
HK416, MR556, MR762, G36 Extractor Spring
H&K Heckler & Koch
Now: $8.05Was: $8.95H&K MR556/MR762/416/G36 (5.56/.223) & (7.62x51/.308) Extractor Spring A must-have replacement wear part and a great item to have on hand. Compatible With: HK G36 HK G36K HK G36C HK SL8 HK MR556 HK 416 HK MR762Now: $8.05Was: $8.95 -
HK UMP Magazine Body - .45 ACP - 25 Round
HKP HK Parts
$34.95UMP 45 25 Round Magazine Body Only - USA Made New US made UMP .45 cal 25 Round Factory Mag Body. Each magazine body will fit all HK UMP factory firearms as well as the HK USC's that have been converted to accept UMP magazines. Each magazine is made in...$34.95 -
On Sale
HK91, G3 Firing Pin - Used
H&K Heckler & Koch
Now: $6.25Was: $6.95H&K 91/G3 (7.62x51/.308) Firing Pin - Used Great for spares as this is a common wear item. Compatible With: HK G3 & HK 91, PTR or clone riflesNow: $6.25Was: $6.95 -
On Sale
HK MP5, HK94, SP5K Magazine Floorplate - 9mm - US - BLEMISHED
USA
Now: $4.46Was: $9.95MP5 & MP5K 9mm Magazine Floor Plate - BLEMISHED VARYING CONDITION. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART PRICE IS PER MAGAZINE Floorplate - SOLD INDIVIDUALLY. MP5,...Now: $4.46Was: $9.95 -
On Sale
HK MP5 Optic Mount - RMR - Rear Sight
HKP HK Parts
Now: $78.36Was: $97.95HK MP5- RMR Optic Mount: The mounting solution to properly mount your RMR directly to the rear sight base on an MP5 or any other receiver that utilizes the same style rear sight base. The mount is the perfect height to co-witness your RMR with your...Now: $78.36Was: $97.95