MP5K / SP5K Series
Discover the most comprehensive selection of HK MP5K and SP5K parts at HKP. From bolt carrier groups and barrels to trigger packs and magazines, we provide all the HK parts you need to build, upgrade, or maintain your firearm. Whether you're enhancing your MP5K with 922r compliant parts or looking for the perfect SP5K flash hider, our top-quality components are designed for precision, reliability, and performance. Trust HKP for all your MP5K and SP5K parts and accessories.
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On Sale
HK MP5 Magazine Spring - 10mm / .40 S&W - 30 Round
HKP HK Parts
Now: $3.96Was: $4.95HKP MP5 40/10 30 Round Magazine SpringNow: $3.96Was: $4.95 -
Out Of StockOn Sale
HK MP5 Magazine - Monkey Subsonic Labeled - 30 Round
Zenith
Now: $39.56Was: $43.95Zenith 30 Round HK MP5 Monkey Subsonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...Now: $39.56Was: $43.95 -
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
Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Orange
Blitzkrieg Components
Now: $76.45Was: $84.95Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 PTR-style front sight provides an advanced sighting system with improved visibility and precision. The spike-tipped post and bright orange stripe ensure a fast and clear sight...Now: $76.45Was: $84.95 -
On Sale
HK MP5K QD End Cap with Buffer
HKP HK Parts
Now: $35.96Was: $44.95Quick Detach MP5K, SP-89 Steel End Cap With Replaceable Rubber Buffer Compatible With: MP5K SP89 Clone or other custom buildsNow: $35.96Was: $44.95 -
On Sale
HK416, MR556 Foregrip or Hand Stop - Angled - NAR Interface
B&T Brugger & Thomet
Now: $45.00Was: $50.00B&T Angled Foregrip / Hand Stop with NAR Interface A perfect solution for shooters who prefer an angled foregrip. The lugs at the end of the grip assure a firm rest for the supporting hand. The grip can be mounted easily onto any NAR/Picatinny rail...Now: $45.00Was: $50.00 -
On Sale
HK MP5K, SP5K, SP89 Folding Stock Adapter
HKP HK Parts
Now: $111.96Was: $139.95HKP MP5K/SP5K/SP89 Folding Stock Adapter The HK Parts folding stock adapter is the best option to attach onto the UMP style stock or the B&T folding stock. Will also work on any other stocks that utilizes the same mounting / folding system...Now: $111.96Was: $139.95 -
On Sale
HK Vertical Foregrip
H&K Heckler & Koch
Now: $87.26Was: $96.95H&K Vertical Foregrip (With Slide in for LM/LLM Switch) Compatible With: HK MP5/K HK MP5SD MP7A2 HK G36/G36K/G36C HK MR556/416 HK MR762/417Now: $87.26Was: $96.95 -
HK MP5K Folding Brace - Skeletonized
B&T Brugger & Thomet / SB Tactical
$239.95SB Tactical - B&T - HK MP5K Swiss Folding Brace - Skeletonized Factory Swiss B&T MP5K, SP5K folding pistol brace with the SB tactical/ B&T components assembled. A rare offering using the B&T Swiss manufactured folding polymer end cap with...$239.95 -
On Sale
HK MP5, G3, HK93 Grip Wrap - Granulate - Navy Style Lower
Talon Grip
Now: $17.99Was: $19.99Talon Grip HK Navy Style Lower Pistol Grip Granulate - Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and...Now: $17.99Was: $19.99 -
On Sale
HK MP5K 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED
H&K Heckler & Koch
Now: $89.95Was: $99.95H&K MP5K 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. Each German HK housing will have some handling marks, nicks and dings. Each housing is in perfectly useable condition and each unit has been clipped...Now: $89.95Was: $99.95 -
On Sale
Folding Grip - Quick Detach - Low Profile
UTG
Now: $44.96Was: $49.95UTG Quick Detach Low Profile Folding Grip Features: Unique knurled surface for the most solid grip Smart Posi-Lock cross bolt and spring tensioned locking plate with steel insert for the most secure installation Fully adjustable quick detachable...Now: $44.96Was: $49.95