Small Parts
Explore our extensive selection of HK small parts at HKParts, perfect for repairs, upgrades, and custom builds. Our inventory includes high-quality, precision-machined replacement parts and maintenance kits designed for a wide range of HK models. Whether you need push pins, springs, or custom components, our HK-specific small parts ensure optimal performance and durability for your firearm.
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On Sale
HK MP5, HK33 HK53, HK93 Paddle Mag Release Bushing - Full Auto
H&K Heckler & Koch
Now: $5.95Was: $6.95Heckler and Koch New Full Auto Paddle Magazine Release Bushing for HK MP5 and HK90 New HK German paddle magazine release bushing for all 90 series HK weapon systems. Used for installing a paddle mag release. Please Note: This is NOT for use on...HKP-00847Now: $5.95Was: $6.95 -
On Sale
HK USPC, P2000 Magazine Floorplate - 9mm - 13 Round - Pinky Rest - Rubberized
H&K Heckler & Koch
Now: $17.95Was: $19.9513 Round USPC & P2000 9mm Magazine Floor Plate w/ Pinky Rest This part is the new style floor plate that is rubberized to resist breakage when the magazine is dropped. Compatible With: HK USPC 9mm 13-round magazines HK P2000 9mm 13-round...HKP-02648Now: $17.95Was: $19.95 -
On Sale
HK90 Series Trigger and Catch Axle
H&K Heckler & Koch
Now: $1.95Was: $1.99HK Sear & Trigger Axle For 90 Series- Used Surplus Condition HK German used sear and trigger axle for the 90 series style of trigger packs. Each axle pin or pivot pin measures .197 inches (5.0mm). A great spare and must have spare part for anyone...HKP-15459Now: $1.95Was: $1.99 -
HK VP9, VP9SK, VP40 Trigger Spring
H&K Heckler & Koch
$3.95H&K HK VP9/VP9SK, HK VP40 Trigger Return Spring HK German stock trigger return spring. A must have spare part as the factory spring will wear with use. The TRS can also be damaged upon install if the spring tool is not used to install. Please order...HKP-16783$3.95 -
On Sale
HK Semi Auto Shelf for Receiver - Billeted
HKP HK Parts
Now: $15.95Was: $17.95HKP Semi Auto Shelf for Receiver - Billeted HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds to the rearward portion of the magwell to allow the use of...HKP-21470Now: $15.95Was: $17.95 -
Out Of Stock
HK Recoil Rod Guide Ring For Recoil Rod Assemblies
H&K Heckler & Koch
$7.99HK Recoil Rod Guide Ring For Recoil Rod Assemblies This item is a high-wear item & is great to have as a spare part. Compatible With: HK MP5 HK 94 HK MP5K HK 91 HK G3 HK 93 HK 33 HK 53 HK 21 (not E guns) Other HK 90 Series Rifles & Pistols.HKP-00143$7.99 -
On Sale
HK MP5, MP5K F Style Roller Retainer Plate - 3rd Gen
H&K Heckler & Koch
Now: $13.95Was: $14.95HK German "F" Style 3rd Gen Roller Retainer Plate This is the latest and greatest German design of roller retainer plates found in all of the latest production of HK German bolt heads. The MP5 F roller retainer plate fits true F-style bolt heads only...HKP-00069Now: $13.95Was: $14.95 -
On Sale
HK MP5, HK90 Series Magazine Catch Roll Pin - Push Button
H&K Heckler & Koch
Now: $4.45Was: $4.95Heckler and Koch Magazine Catch, Push Button Roll Pin New HK German-made. The mag catch roll pin is used to attach the magazine catch to the mag release button. Compatible With: MP5, SP5 MP5K, SP5K SP89, HK94 HK91, G3, PTR HK33, HK53,...HKP-01918Now: $4.45Was: $4.95 -
On Sale
HK MP5, SP5K Extractor Spring - 9mm
MKE
Now: $5.95Was: $6.95MKE HK MP5, MP5K - Extractor Spring - 9mm Extractor spring for all 9mm HK variants including clones. This spring is the #1 repair & replacement item for the MP5 and MP5K family of firearms. Compatible With: HK MP5 HK MP5K HK SP5 HK...HKP-22481Now: $5.95Was: $6.95 -
On Sale
Receiver Shelf - Semi Auto - Billeted
Now: $16.95Was: $19.95Semi Auto Shelf for Receiver - Billeted HK Semi Auto Shelf milled from one solid billet to HK's factory specifications (no castings here). This is the needed receiver shelf that is welded to the receiver to allow the use of the clipped & pinned...HKP-01521Now: $16.95Was: $19.95 -
On Sale
HK90 Series Cocking Tube End Cap - Steel
HKP HK Parts
Now: $16.95Was: $19.95Cocking Tube End Cap - Steel - US Made Manufactured from solid billet steel and finished in black in a nitride finish. Compatible With: All 90 series HK firearms and clones that use a triple frame/sight towerHKP-17580Now: $16.95Was: $19.95 -
On Sale
HKP Roller +3 - New - 8.03mm
H&K Heckler & Koch
Now: $8.95Was: $8.99Roller +3 - New - 8.03mm HK Parts Standard (8.03 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...HKP-19425Now: $8.95Was: $8.99