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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
HK Push Pin Set - MP5, G3/91, 33/53/93
H&K Heckler & Koch
Now: $13.94Was: $15.49HK Set Of Two (One Large And One Small) Push Pins -Used These are great replacements or spare parts to keep on hand. Compatible With: HK91 & G3 53, 33, and 93 MP5, SP5, SP89 PTR and GSG-5 family of guns. Please Note: The GSG5 will take...Now: $13.94Was: $15.49 -
On Sale
HK .45 O-Ring - Barrel - Red
HKP HK Parts
Now: $3.96Was: $4.95HKP HK .45 Barrel O-Ring All Caliber Pistols - Red A rare find as we have found a small lot of HK red-colored HK .45 O-rings. All HK O-rings are still made of the same material as the newer black O- rings only in the HK red color. A great spare and...Now: $3.96Was: $4.95 -
On Sale
HK MP5, MP5K Bolt Group Backup Kit - Action 3
H&K Heckler & Koch
Now: $20.66Was: $22.95H&K MP5 Bolt Group Backup Kit - Action 3 This kit includes the highest wear and replace items on the MP5 action 3 bolt group, as well as the easy to lose pin. Includes: Factory German MP5 9mm Extractor Spring Factory German Action 3 Roller Retainer...Now: $20.66Was: $22.95 -
On Sale
HK45, VP, P30, USP Block Spring - Enhanced Firing Pin
Lazy Wolf
Now: $8.96Was: $9.95Lazy Wolf HK VP/P30/USP/HK45 Enhanced Firing Pin Block Spring An exciting and desirable new offering as a joint collaboration from the widely renowned Master HK pistol smith Lazy Wolf Guns & HK Parts! This spring was designed by master pistol smith...Now: $8.96Was: $9.95 -
On Sale
HK Pin - Barrel - Retaining - 5mm - Standard Size
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K HK Pin - Barrel - Retaining - 5mm - Standard Size Barrel Retaining Pin Each barrel pin is used for installing a new or replacement barrel. HK suggest using a new factory barrel pin when installing or reinstalling a HK barrel. We also offer the HK...Now: $8.96Was: $9.95 -
On Sale
HK .45 ACP O-Ring - Barrel
H&K Heckler & Koch
Now: $4.46Was: $4.95Heckler and Koch .45 ACP Caliber Barrel O-Ring in Black A great spare and a much-needed part for your HK barrel. This factory part is a high-wear item, as the O-ring provides the seal between the slide and the barrel, which provides a secure lockup with...Now: $4.46Was: $4.95 -
On Sale
HK Recoil Rod Guide Ring - Recoil Rod Assemblies - Enhanced
HKP HK Parts
Now: $1.91Was: $2.39HKP Recoil Rod Guide Ring For Recoil Rod Assemblies - Enhanced New enhanced material for greater longevity and durability. Our US made recoil rod guides are the made from the strongest most durable material available much better than the basic nylon as...Now: $1.91Was: $2.39 -
On Sale
HK P9/P9S Recoil Buffer
HKP HK Parts
Now: $15.96Was: $19.95HK P9S Recoil Buffer Fits All 9mm & 45 P9 & P9S Models This is a must-have replacement item as the buffer will degrade and fall apart with use and age. Replacing the P9 buffer is the most common wear and replacement part on the P9 series of...Now: $15.96Was: $19.95 -
On Sale
HK33, HK53, HK93, HK91, G3 Hex Buffer Screw - Front
HKP HK Parts
Now: $0.55Was: $0.69Enhanced Hex Style Buffer Screw New upgraded hex head style front buffer screw. Each buffer assembly uses 2 of these screws to affix the buffer to the back plate and central stock section. The old style buffer screws were used the older slotted head and...Now: $0.55Was: $0.69 -
On Sale
HK53, HK93, HK91, G3 Elbow Spring - Cocking Lever Support
H&K Heckler & Koch
Now: $5.17Was: $5.74New Style Cocking Handle Lever Spring - German This is the latest HK German spring design with the factory HK anti-corrosion plating applied. The factory HK springs last longer and is more tolerant to corrosion. A perfect upgrade for your older...Now: $5.17Was: $5.74 -
On Sale
HK Locking Roller Pin - Bolt Head
H&K Heckler & Koch
Now: $8.96Was: $9.95HK Heckler & Koch HK Pin - Roller - Locking - Bolt Heads HK roller retainer pin or clamping sleeve (holds roller retainer plate in place). Each retainer pin works with all roller retainer plates & springs. All 3 types including oval-shaped...Now: $8.96Was: $9.95 -
On Sale
HK USP, P30, HK45 Hammer Spring - Reduced Power - 10 lb.
Lazy Wolf
Now: $8.96Was: $9.95Lazy Wolf HK Reduced Power Hammer Spring - 10 lb. An exciting new offering as a joint collaboration from the widely renowned pistol smith Lazy Wolf Guns & HK Parts! This custom spring was designed exclusively by master trigger smith Rick Holm at LWG...Now: $8.96Was: $9.95