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 P30/L/S Backstrap - Small - Black
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K P30/L/S Backstrap - Small - Black New HK German manufactured. Compatible With: P30 9mm and .40 cal P30L 9mm and .40 cal P30S 9mm and .40 calNow: $26.95Was: $29.95 -
On Sale
HK G36, SL8 Extractor
USA
Now: $39.95Was: $67.95G36 & HK SL8 Extractor For Bolt Head Compatible With: All G36 variants SL8-1, SL8-6Now: $39.95Was: $67.95 -
On Sale
HK G36, MP7 Bolt O-Ring - Firing Pin - US
USA
Now: $5.36Was: $5.95HK G36 & MP7 Firing Pin Bolt O-ring. This is also the O-ring for the retaining pin for the MP7- US. Compatible With: HK G36 HK MP7Now: $5.36Was: $5.95 -
Out Of StockOn Sale
HK21E, HK23E E Clip For Carry Handle - 7.62x51 / .308 - 5.56 / .223
H&K Heckler & Koch
Now: $8.96Was: $9.95HK German "E" Clip For Carry Handle For HK21 & HK23E folding carry handles. Clips are sold individually.Now: $8.96Was: $9.95 -
On Sale
HK MP5 40/10 Extractor
H&K Heckler & Koch
Now: $62.96Was: $69.95New HK MP5 40/10/.357 Latest Production 1.4mm Extractor This is the latest and greatest upgraded extractor made by HK. This is also a great upgrade for the many out-of-spec clones out there. Compatible With: MP5 40 MP5 10 MP5 .357Now: $62.96Was: $69.95 -
On Sale
HK MP5 Magazine Release Paddle Lever - 10mm / .40 S&W
HKP HK Parts
Now: $47.96Was: $59.95HK MP5 40 & MP5 10mm - Magazine Release LeverNow: $47.96Was: $59.95 -
On Sale
HK Burst Roller Type Trip Lever - Latest Style
H&K Heckler & Koch
Now: $89.95Was: $99.95H&K Burst Roller Type Trip Lever - Latest Style Compatible With: 0,1,3,F 0,1,2,F 0,1,3 0,1,2Now: $89.95Was: $99.95 -
On Sale
HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring
MKE
Now: $16.95Was: $19.95MKE HK MP5, MP5K, AP5 Steel Firing Pin and Spring Replacement Kit Replacement steel firing pin and spring kit for HK MP5 platforms. Direct-fit parts for repairing or replacing worn firing components in MP5-style bolt assemblies. Includes: Firing...Now: $16.95Was: $19.95 -
On Sale
HK G36, HK SL8 Bolt Catch USF
USA
Now: $13.46Was: $14.95HK G36 & SL8 Bolt Catch On AR-15 systems this would be similar to a cam pin. Compatible With: G36, G36K, G36C Sl8 variantsNow: $13.46Was: $14.95 -
On Sale
HK417, MR762 Magazine Catch Retainer Ring
H&K Heckler & Koch
Now: $9.86Was: $10.95H&K HK 417/MR762 Magazine Catch Retainer Ring Compatible With: HK 417 HK MR762Now: $9.86Was: $10.95 -
On Sale
Now: $5.36Was: $5.95 -
On Sale
HK UMP/USC (.45 ACP) Extractor
Now: $35.96Was: $39.95HK UMP & USC .45 Extractor Perfect for spares as they are prone to breakage and are a common wear item. Please Note: HK considers this a high wear and replacement item. Once removed from the carrier, the spring tension is compromised,...Now: $35.96Was: $39.95