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 MP5K Handguard Conversion - SD Style
HKP HK Parts
$299.95HKP HK MP5K SD Handguard Conversion Transform your MP5K into a stunning MP5KSD with our revolutionary MP5K SD handguard conversion! This cutting-edge drop-in handguard is expertly designed to give your standard MP5K the iconic suppressed SD look...HKP-22201$299.95 -
On Sale
HK416 Catch - Bolt Hold Open
USA
Now: $19.95Was: $39.95HK 416 Bolt Hold Open Catch US-made bolt hold open catch for the HK 416. Compatible With: HK 416 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL.HKP-99101Now: $19.95Was: $39.95 -
M-Lok Paraclip Sling Mount
Magpul
$19.95Magpul M-Lok Paraclip Sling Mount The M-LOK Paraclip Sling Mount is a steel clip-in sling mount for M-LOK compatible systems. It is constructed of high-grade, precision cast steel and has an extremely durable QPQ salt bath nitride finish. With a...HKP-21874$19.95 -
On Sale
HK MP5SD Cocking Tube - Gunsmith Special
USA
Now: $29.95Was: $74.95HK MP5SD Cocking Tube - Gunsmith Special The MP5SD cocking tube is a crucial part of the firearm's operating system, designed to house the cocking handle assembly. This unit has been de-milled to allow clearance for the integrated suppressor...HKP-99059Now: $29.95Was: $74.95 -
Out Of Stock
Picatinny Optic Mount - 39mm - Skeleton - Aimpoint ACRO P-2
B&T Brugger & Thomet
$737.95B&T Aimpoint ACRO P-2 w/ B&T Skeleton Mount 39mm The Aimpoint Acro P-2, paired with the B&T Skeleton Mount (39mm), takes the ACRO reflex sight to new heights in durability and reliability. It's fully enclosed design protects against rain, mud...HKP-21857-M$737.95 -
Out Of Stock
HK MP5, SP5 Adapter - Tail Hook
B&T Brugger & Thomet
$135.00B&T Tail Hook Adapter MP5/SP5 (Including K) Compatible With: HK MP5/MP5K HK SP5/SP5KHKP-21763$135.00 -
HK MP5K Parts Kit - 10mm - Pistol Build
HKP HK Parts
$1,889.95HKP MP5K 10mm Pistol Build Kit MP5K 10mm complete pistol build kit. Featuring the latest in highest quality components for an unparalleled build. Equipped with a 9/16x24 3-lug threaded barrel to accept a wide variety of muzzle devices and suppressors...HKP-21533$1,889.95 -
Out Of Stock
HK G36, 36K NAR Mounting Rail
B&T Brugger & Thomet
$339.95B&T HK G36/G36K NAR Mounting Rail with Emergency Sight B&T NAR (picatinny compatible) mounting rail for HK G36/G36K with emergency sight. Compatible With: HK G36 HK G36KHKP-21529$339.95 -
HK UMP 5 Prong Flash Hider - 5/8x24
HKP HK Parts
$67.95HKP HK UMP 5 Prong Flash Hider - 5/8x24 Compatible With: HK UMPHKP-21523$67.95 -
On Sale
HK MP5 Stock With Direct Fit Adapter
HKP HK Parts / Magpul
Now: $149.95Was: $189.95HK MP5 Stock With Direct Fit Adapter MP5 DT Magpul stock ready to install on any in-spec MP5 receiver or clone. We take our AR MP5 Adapter and attach it onto a mil-spec buffer tube before combining it with the new Magpul DT Carbine stock. This is a great...HKP-21402-MNow: $149.95Was: $189.95 -
HK SP5K Bolt Carrier - Semi Auto
RCM
$159.95RCM HK SP5K Semi Auto Carrier SP5K semi-auto carrier machined completely from billet ordnance steel. RCM US made SP5K carrier is made to the most updated and latest SP5K specs and more. Tungsten filled, heat treated, phosphate finish and all hardware...HKP-20983$159.95 -
On Sale
Bolt Knob - Fluted
Tactical Precision MFG
Now: $24.95Was: $48.99TPM - Fluted Bolt Knob These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Features: Dimensions:1.5" x 7/8" x 7/8" Weight: 2 oz Threading: 5/16x24HKP-20786Now: $24.95Was: $48.99