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
HK90 Series Magazine Catch Spring
H&K Heckler & Koch
Now: $4.46Was: $4.95Heckler and Koch Magazine Catch Spring for the HK90 Rifle Series New HK German manufacture, not used, worn out surplus springs. Perfect spare and a must-have mag catch spring for all 90 series rifles that use a detachable magazine. Compatible...Now: $4.46Was: $4.95 -
HK MP5, SP5K, SP89, Optic Mount Bundle - Holosun Reflex X2
Holosun
$394.95Holosun X2 - Red 2 MOA Dot & 32 MOA Circle - Optic Mount - Bundle - HK MP5 Includes: (1) Holosun Reflex X2 MRS Red Solar (1) MP5 RMR Optic Mount The finest mounting solution to properly mount your RDS on your MP5 or any other receiver that...$394.95 -
On Sale
HK Armorer's Tool Kit
HKP HK Parts
Now: $47.57Was: $67.95HKP Armorer's Tool Kit Includes: HK Parts Armorers Puck Punch Bench Block Tool 8 Piece German Rennsteig punch set 20 Piece German Feeler gauge setNow: $47.57Was: $67.95 -
On Sale
HK MP5K, SP89, SP5K Vertical Foregrip VFG - M-LOK Rail
H&K Heckler & Koch
Now: $103.45Was: $114.95H&K MP5K Vertical Grip VFG M-LOK Rail New VFG for the MP5K platform is now M-LOK compatible. The perfect combination to install lights or lasers. M-LOK slots are integrated on both sides to make it a true ambidextrous vertical grip. Compatible...Now: $103.45Was: $114.95 -
HK MP5K, SP89, SP5K Side -Folding Brace - 9mm
SB Tactical
$249.95HK MP5K, SP89, SP5K & Clone - Side Folding Pistol Stabilizing Brace MP5K, SP5K, Zenith Z5P, Z-5K Folding Stabilizing Brace System. These are the last remaining units with an aluminum folding adapter as SB tactical has now switched over to a polymer...$249.95 -
On Sale
HK MP5, MP5K Optic Mount - Raised - Picatinny Rail
HKP HK Parts
Now: $87.96Was: $109.95HKP HK MP5 Picatinny Rail Optic Mount HK Parts Picatinny style optic mount for the MP5 or MP5K. Quickly mount any Picatinny optic to your HK while retaining a full view of the factory sights. Available exclusively at HK Parts. Compatible With: HK...Now: $87.96Was: $109.95 -
Out Of StockOn Sale
HK MP5, MP5K Magazine Clamp - Dual - 9mm - Bundle
H&K Heckler & Koch
Now: $269.95Was: $299.95HK German MP5 & SP5 Or MP5K & SP5K 9mm Mag Clamp Bundle Allows the user to clamp 2 X MP5 9mm 30 round magazines together for ease of use & safety by keeping 2 magazines usable & at your disposal. A Heckler & Koch German made genuine...Now: $269.95Was: $299.95 -
On Sale
HK MP5 40/10 30 Round Magazine
HKP HK Parts
Now: $39.96Was: $49.95MP5 40/10 30 Round Magazine - US HKP, US made 30 round magazine for MP5's chambered in .40 S&W, 10mm, .357 Sig, and 9x25 Dillon. Each magazine counts as 3 US made components for satisfying 922r compliance. Compatible With: MP5 .40 Cal MP5...Now: $39.96Was: $49.95 -
On Sale
KCI 10 Round HK MP5, MP5K - California Compliant Magazine
KCI
Now: $53.06Was: $58.95California Complaint Magazine 10-30 - MP5, MP5K - GEN 2 - KCI USA This California compliant magazine has a 10 round block pre-installed which converts a factory 30 round magazine into a 10 round magazine. This is the best option to stay...Now: $53.06Was: $58.95 -
On Sale
HK End Cap - Cocking Tube - Aluminum
HKP HK Parts
Now: $11.96Was: $14.95H&K Cocking Tube End Cap - Aluminum - US Made Made from weight-saving aircraft-grade aluminum alloy. Compatible With: All 90 series HK firearms and clones that use a triple frame/sight towerNow: $11.96Was: $14.95 -
On Sale
HK MP5, MP5K Optic Mount, Aimpoint ACRO P-1, P-2
HKP HK Parts
Now: $79.16Was: $98.95HKP - HK MP5, MP5K Mount - Sight - Aimpoint ACRO - ACRO P1 & P2 The HK Parts Aimpoint ACRO low-profile mount is perfect for shooters seeking a minimalistic mount with an absolute co-witness. Crafted in the US from aircraft grade aluminum and...Now: $79.16Was: $98.95 -
On Sale
Kaw Valley Precision 9mm Mach 3-Lug Mount
Kaw Valley Precision
Now: $80.99Was: $89.99Kaw Valley Precision 9mm Mach 3-Lug Mount The Kaw Valley Precision MACH 3-Lug Mount is a fully captured, enclosed system designed for use with the KVP MACH Linear Comp system. By utilizing 1-1/8"x28 TPI threads, the MACH 3-Lug Mount will fit many common...Now: $80.99Was: $89.99