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 MP5, MP5K Ejector Lever - 9mm
MKE
Now: $17.95Was: $19.95MKE HK MP5/K 9mm Ejector Lever Upgrade or replace your worn ejector lever with this quality part, made for HK MP5 and MP5K 9mm models. Whether you're finishing a build or refreshing your setup, this piece helps keep your firearm running. Compatible...Now: $17.95Was: $19.95 -
On Sale
HK VP9, HK P30 Magazine - 20 Round - 9mm
H&K Heckler & Koch
Now: $53.10Was: $59.00HK VP9 &P30, P30L, P30S - 9mm - 20 Round Complete Magazine New HK German Manufactured & Factory Fresh Production. Each factory HK magazine holds 20 rounds for use in all VP9, P30, P30L, P30S 9mm Models. Each magazine is marked with the...Now: $53.10Was: $59.00 -
On Sale
Maglula MP5/SP5 Magazine Loader/Unloader
Maglula
Now: $26.95Was: $29.95Maglula Mag Loader/Unloader When using this part, the magazines can be loaded in 1/3 (60% less) of the time than loading by hand; this equates to more time shooting and less time loading. Features: Easy to use (step-by-step instructions included) Loads...Now: $26.95Was: $29.95 -
On Sale
RennSteig 8 Piece Punch Set For HK Firearms
RennSteig
Now: $31.46Was: $34.95Metric Parallel Pin Punch Set With Guide Sleeves - German Manufacture - 8 Piece This punch set is the exact same set used in the HK Armorer classes and approved by HK for use when installing & removing the roll pins from HK pistols & rifles...Now: $31.46Was: $34.95 -
HK MP5, G3, 93 Optic Mount - Micro Low
MFI
$110.95HKPARTS 2025 MFI Micro 1913 Picatinny Rail Scope Mount for HK MP5/94/G3/91/93 This mount allows for installation without completely removing the screws from the mounting claws. The claws can remain attached to the bolt or screw, allowing the entire...$110.95 -
Out Of StockOn Sale
HK416, MP5 Barrel Adapter - .22LR - Converts Thread 8x.75 to 1/2x28
USA
Now: $26.95Was: $29.95HK/Walther/Colt .22LR Threaded Barrel Adapter - Converts 8x.75 To 1/2x28 This custom adapter allows you to easily convert your .22LR barrel from 8x.75 to 1/2x28 threads. It replaces the stock flash hider and provides a secure, permanent mounting option...Now: $26.95Was: $29.95 -
On Sale
HK90 Series Push Pin - Buttstock
H&K Heckler & Koch
Now: $3.56Was: $3.95H&K 90 Series Butt Stock Push Pin Each large stock push pin is used to retain the stock to the receiver on the 90 series of firearms. Large push pins are for the stock and the small push pin is for the forearm and lower. The HK German genuine push...Now: $3.56Was: $3.95 -
On Sale
HKP HK 416 Pistol Brace Adapter/AR .22LR Stock Adapter
HKP HK Parts
Now: $27.96Was: $34.95HKP HK 416 Pistol Brace Adapter/AR .22LR Stock Adapter Specifications: Made in the USA Easy to install no gunsmithing required machined from solid billeted alloy Hard coat anodized for a lifetime of use Compatible With: AR 22, HK /Walther 416 ...Now: $27.96Was: $34.95 -
On Sale
HK MP5 .22 Magazine Spring - 25 Round
HKP HK Parts
Now: $3.16Was: $3.9525 Round HK MP5 .22 Magazine Spring A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. Please note: This spring can be used to convert the 10-round magazine to...Now: $3.16Was: $3.95 -
On Sale
HK MP5 Replacement Buffer - Folding Stock or End Cap
HKP HK Parts
Now: $2.79Was: $3.49HKP MP5 Replacement Buffer for Folding Stock or End Cap Spare replacement buffer for choate folding stocks or end caps. Compatible With: Choate MP5 and MP5K Stocks or End Caps (NOT compatible with MP5 .22 LR)Now: $2.79Was: $3.49 -
On Sale
HK MP5, SP5 Stabilizing Pistol Brace
SB Tactical
Now: $239.35Was: $265.95SB Tactical HK MP5, HK SP5 Retractable Pistol Stabilizing Brace - Black The HK MP5 and HK SP5 pistol stabilizing brace is 3-position fully adjustable pistol brace and is comprised of a billeted 6061 alloy hard-coat anodized aluminum adapter, steel...Now: $239.35Was: $265.95 -
Out Of StockOn Sale
HK Stock Pin Bushing Weldment
HKP HK Parts
Now: $3.16Was: $3.95HK Stock Push Pin Bushing Weldment All-steel stock pin bushing weldment for welding in the rear of the flat. This bushing welds into the folded flat and guides the large push pin through the receiver to hold the stock to the receiver. Compatible...Now: $3.16Was: $3.95