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 MP5SD 9mm Front End Kit
HKP HK Parts
Now: $959.96Was: $1,199.95HK MP5SD Front End Build Kit The HK Parts MP5SD front end kit includes everything required (except suppressor) to build an MP5SD front end including the best US and German components available. Each kit counts as 4 922r USA-made parts toward the...Now: $959.96Was: $1,199.95 -
On Sale
HK416, MR556, AR-15 Magazine - PMAG D60 - 60 Round
Magpul
Now: $122.35Was: $135.95Magpul PMAG D-60 60 Round AR-15 5.56/.223 Drum Magazine The PMAG D60 is a durable, lightweight, highly reliable 60-round 5.56x45 NATO/.223 Remington polymer drum magazine for AR15/M4 compatible weapons. The unique drum configuration keeps the height of...Now: $122.35Was: $135.95 -
Out Of StockOn Sale
MR556 A4 Upper Receiver Kit - 16.5″ - 5.56 - M-LOK
H&K Heckler & Koch
Now: $1,616.36Was: $1,939.00H&K MR556 A4 16.5″ 5.56 M-LOK Upper Receiver Kit This kit includes a complete upper receiver/barrel assembly, allowing Mil-Spec 5.56mm AR-style rifles to be retrofitted to HK’s piston and pusher rod system. This system utilizes a piston...Now: $1,616.36Was: $1,939.00 -
On Sale
B&T 9mm Dual Mag Clamp
B&T Brugger & Thomet
Now: $46.80Was: $52.00B&T 9mm Dual Mag Clamp Double up on your magazines with this magazine clamp made by Brügger & Thomet. Compatible With: B&T APC9 B&T GHM9 B&T SPC9Now: $46.80Was: $52.00 -
On Sale
Modular Folding Stock System - HK MP5, SP5
F5 MFG
Now: $404.95Was: $449.95Modular Folding Stock System - HK MP5 The telescoping, left side-folding polymer stock is fully adjustable for comb height and length of pull, making it a versatile option for the most advanced applications. Features: MP5 adapter machined from 6061...Now: $404.95Was: $449.95 -
HK417, MR762, MR308 Trigger - Geissele
Geissele
$479.95HK MR 762 Trigger- Geissele The HK MR762 trigger is similar to our SSA with a 4.5 total pull weight. It can be used in both the HK 762 and semi-auto HK 417's. Please note: After installing the MR762 trigger you must cock the hammer in order to engage the...$479.95 -
On Sale
HK416, MR556 Extractor Axle Pin
H&K Heckler & Koch
Now: $10.75Was: $11.95HK MR556 & 416 Extractor Axle Pin This factory HK German part holds the extractor in place on the bolt head. This item needs to be changed each time it is removed per HK. Compatible With: HK MR556 HK 416 M27 HK 416 A5Now: $10.75Was: $11.95 -
On Sale
HK UMP Extractor - 9mm
H&K Heckler & Koch
Now: $54.86Was: $60.95New HK German USC/UMP 9mm Extractor This is the perfect spare part to have for your UMP or USC 9mm conversion. Hard to find and only available here at HKPARTS.Now: $54.86Was: $60.95 -
On Sale
HK91, G3 Handguard - Slimline Style - Jungle Green - Used Excellent
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - Used Excellent Used in excellent shape. These are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearmsNow: $26.95Was: $29.95 -
Out Of StockOn Sale
HK33, HK53, HK93 Magazine Clamp
H&K Heckler & Koch
Now: $97.16Was: $107.95HK 93, HK 33 & HK 53 Magazine Clamp German HK dual mag clamp for all HK 93/33/53 magazines. Holds two magazines together for easy access and ease of use. Compatible With: HK93 HK33 HK53 Clones and other custom buildsNow: $97.16Was: $107.95 -
On Sale
HK94 Barrel Shroud - SD Style
H&K Heckler & Koch
Now: $89.95Was: $99.95Heckler and Koch HK94 SD Style Barrel Shroud Features: Fits all factory HK94 rifles or barrels Made to factory German HK94 specs. Designed to cover the 16" barrel Provides a neat SD style look without the cost of a full conversion Made of...Now: $89.95Was: $99.95 -
On Sale
Magpul RSA - Rail Sling Attachment
Magpul
Now: $26.95Was: $29.95Magpul RSA - Rail Sling Attachment Attaches to Picatinny rails for an additional point of attachment for slings.Now: $26.95Was: $29.95