MP5K / SP5K Small Parts
Ensure smooth operation with high-quality MP5K small parts and SP5K replacement pins from HKP. Our HK Parts collection includes essential springs, pins, and other small components to keep your firearm running at its best. Trust HKP for reliable replacement parts.
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On Sale
HK MP5, SP89, HK91, HK93, HK94 Grip Screw
H&K Heckler & Koch
Now: $8.05Was: $8.95H&K Grip Screw New HK grip screw that is now out of production. Great for a spare. Compatible With: HK91 HK93 HK94 SP89Now: $8.05Was: $8.95 -
On Sale
HK MP5, MP5K Magazine Release Paddle - Anti-Rattle Roller-Tip - 9mm
H&K Heckler & Koch
Now: $58.46Was: $64.95German HK MP5, MP5K Anti-Rattle Roller Tipped "Paddle" Magazine Release Factory German Paddle mag release for all 9mm MP5, MP5K HK builds. Our parts are made by HK in Germany and are factory-fresh production. Compatible With: MP5, 94, HK SP5 MP5K, SP89,...Now: $58.46Was: $64.95 -
HK -6 Roller For Bolt Head 7.94mm - Under-sized
H&K Heckler & Koch
$27.95H&K -6 Roller For Bolt Head 7.94mm - Under-sized New HK German -6 roller that measures 7.94mm. For use with all HK 90 series firearms. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way...$27.95 -
On Sale
HK MP5 Magazine Release Set
H&K Heckler & Koch
Now: $166.45Was: $184.95H&K Magazine Release Set This is the complete magazine release kit that includes both the paddle mag release and standard left-to-right mag release on your HK 9mm rifle or pistol build. Compatible With: MP5, MP5K style 9mm models Set...Now: $166.45Was: $184.95 -
On Sale
HK MP5K, SP5K Rear Push Pin Weldment Set
USA
Now: $13.46Was: $14.95HK MP5K, SP5K Rear Push Pin Weldment Set This weldment set is the 2 pieces needed for the rear of the flat/receiver that holds the stock/brace or end cap in place. CNC machined from weldable steel and the finest weldment available on the market...Now: $13.46Was: $14.95 -
On Sale
HK MP5, MP5K Extractor - Enhanced Coated Polish
HKP HK Parts
Now: $35.96Was: $44.95HKP HK MP5/MP5K Extractor - Enhanced Coated Polish Built for dependable performance, this polished and coated extractor delivers smooth cycling and consistent extraction. A great choice for both upgrades and routine replacements. Compatible...Now: $35.96Was: $44.95 -
On Sale
HK 90's Series Compression Rod - Titanium
HKP HK Parts
Now: $23.96Was: $29.95Compression Rod - 90's Series - Titanium The H&K burst trigger pack compression rods and compression rod springs are the foremost wear/breakage components in burst packs. This replacement compression rod is constructed from titanium, offering...Now: $23.96Was: $29.95 -
Out Of StockOn Sale
HK MP5, MP5K Contact Piece for Paddle Mag Release - 9mm
H&K Heckler & Koch
Now: $53.96Was: $59.95MP5, MP5K 9mm Contact Piece For Paddle Mag Release - German This is the real deal NOT the .308 or .223 contact piece. Hard to find factory-correct, brand-new, latest production German HK 9mm contact piece. Compatible With: MP5, SP5, 94, SP5 MP5K, SP5K,...Now: $53.96Was: $59.95 -
On Sale
HK MP5, AP5 Hammer Spring
MKE
Now: $2.92Was: $5.89MKE MP5/MP5K, AP5 Hammer Spring MKE MP5/AP5 replacement hammer spring. Worn hammer springs can cause light primer strikes and misfires. A great part to load up on for years of trouble free shooting. Crafted per HK specifications by MKE...Now: $2.92Was: $5.89 -
On Sale
HK MP5, MP5K, G36, HK33, HKK53, HK93, HK417 Magazine Release Bushing - Full Auto
MKE
Now: $2.33Was: $2.59MKE HK MP5/MP5K Magazine Release Bushing This part is for use in all 90-series H&K weapon systems and is used for installing a paddle mag release. This is not for use on semi-auto HK builds. This part is intended for full-auto conversions only...Now: $2.33Was: $2.59 -
On Sale
HK MP5, MP5K Extractor - 9mm - MKE
MKE
Now: $17.95Was: $19.95MKE HK MP5/K 9mm Extractor Keep your MP5 or MP5K running strong with this MKE 9mm extractor. Perfect for replacing a worn part or completing a build, it’s made to HK specs for smooth, reliable performance you can count on. Compatible With: HK...Now: $17.95Was: $19.95 -
On Sale
HK Torx Screw Set for Binary Selector Lever - Upgrade
HKP HK Parts
Now: $2.36Was: $2.95HKP Torx Binary Upgrade Screw Set Upgrade your binary selector levers with our Torx hardware set. Torx hardware is less likely to strip than standard allen key hardware. Good spares to have on hand as well. Note: Each set comes with 2 screws.Now: $2.36Was: $2.95