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
HK416, MR556 Ejection Port Cover
H&K Heckler & Koch
Now: $49.46Was: $54.95H&K HK MR556/416 Ejection Port Cover HK manufactured newer polymer style cover assembly found on the latest HK 416 & MR556. This item can also be used on other AR15-style projects to enhance the project with the finest ejection port cover...Now: $49.46Was: $54.95 -
On Sale
HK UMP .45 - Magazine Compliance Kit
HKP HK Parts
Now: $9.95Was: $19.95US-Made UMP .45 Compliant Magazine Kit For All UMP .45 Magazines This kit is a drop-in replacement set that will give you two US-compliant parts towards 922r compliance. Made from high-impact polymer, just like the factory HK parts. The US parts kit...Now: $9.95Was: $19.95 -
On Sale
HK MP5K Handguard - Tri-Rail
MI Midwest Industries
Now: $134.95Was: $149.95MI HK MP5K Tri-Rail Handguard Features: Professional grade one-piece design Tri-Rail 1913 Picatinny on 3 sides for accessory attachment Simple installation, includes all tools Lightweight design Features two anti-rotation QD sling swivel...Now: $134.95Was: $149.95 -
On Sale
HK416, MR556, HK417, MR762 Handguard Locking Screw - Stainless
HKP HK Parts
Now: $7.96Was: $9.95HK416, MR556, HK417, MR762 Handguard Locking Screw - Stainless Replacement handguard locking screw that secures the handguard to the upper receiver. Made in USA from 17-4 SS with a 5mm hex head. Compatible With: HK HK416 HK MR556 HK HK417 (2 required...Now: $7.96Was: $9.95 -
On Sale
HK Binary Selector Set - Ambi Housing
HKP HK Parts
Now: $63.96Was: $79.95Aluminum HK Selector Lever Set for BFSIII HK Binary Trigger Pack - Ambi pictogram housings Our new Aluminum Selector Lever Set was modeled after the HK Ambi Style Selector Lever. Designed to work flawlessly with Franklin Armory Trigger Pack...Now: $63.96Was: $79.95 -
On Sale
MI HK MP5 Top Rail
MI Midwest Industries
Now: $143.95Was: $159.95MI HK MP5 Top Rail Midwest Industries Picatinny and M-lok top rail for MP5, HK94 style weapons and clones. An amazing profile option for your MP5 style weapon. Offers a combination of strength, adaptability and extreme lightweight features. This rail is...Now: $143.95Was: $159.95 -
On Sale
HK MP5 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED
H&K Heckler & Koch
Now: $80.95Was: $89.95H&K MP5 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. Each German HK housing will have some handling marks, nicks and dings. Each housing is in perfectly useable condition and each unit has been clipped...Now: $80.95Was: $89.95 -
On Sale
HK MP5K/SP89/SP5K 9mm #28 Locking Piece
H&K Heckler & Koch
Now: $178.16Was: $197.95H&K MP5K/SP89/SP5K/SP5K PDW 9mm #28 Locking Piece This is the locking piece that is recommended when using a suppressor and 147-grain or heavier bullets. This will slow the rate of fire while suppressed to safe levels. This locking piece is 80...Now: $178.16Was: $197.95 -
On Sale
HK MP5 Picatinny Rail - Raised
HKP HK Parts
Now: $94.47Was: $134.95HKP HK MP5 Raised Picatinny Rail The HK Parts MP5 Raised Picatinny Rail offers the best of both worlds featuring an unimpeded view of the factory iron sights and an elevated mount for your favorite optic. Cowitness? Lower third? ...Now: $94.47Was: $134.95 -
On Sale
HK Rear Sight Spare, Repair Kit
H&K Heckler & Koch
Now: $22.45Was: $24.95H&K Rear Sight Spare, Repair Kit New factory German HK rear diopter sight spare parts, repair kit. Brand new factory German manufacture. Not used surplus parts brand new factory fresh German HK parts. Includes: 2 X Rear sight ball bearings 2 X Rear...Now: $22.45Was: $24.95 -
On Sale
HK416, MR556 Trigger Guard - A5 Style
HKP HK Parts
Now: $31.96Was: $39.95HKP 416 & HK MR556 HK416A5 Style Trigger Guard Now you can upgrade your MR556, 416 & CR556 to the latest Gen HK 416 A5 Enhanced Trigger Guard. Fully assembled and ready to drop in. With a larger trigger guard area you can now use gloves...Now: $31.96Was: $39.95 -
On Sale
HK416, MR556, MR762 Buffer Retainer Pin
H&K Heckler & Koch
Now: $3.56Was: $3.95H&K HK MR556/MR762/416 Buffer Retainer Pin Compatible With: HK MR556 HK 416Now: $3.56Was: $3.95