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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HK MP5K Optic Mount
HKP HK Parts
$97.95HKP HK MP5K Optic Scope Rail The HKP optic scope rail is designed to be welded to the top of the receiver to provide a secure Picatinny optic mount for your MP5K. Includes sight mount to retain the factory rear diopter sight. Compatible With: HK...HKP-21852$97.95 -
Out Of Stock
Picatinny Optic Mount - 39mm - Skeleton - Aimpoint T-Series
B&T Brugger & Thomet
$150.00B&T 39mm Picatinny QD Skeleton Mount for Aimpoint T-Series The B&T QD skeleton mount for Aimpoint T-Series offers a 39mm elevated profile for improved sight alignment, ideal for night vision setups requiring clearance over forward-mounted IR...HKP-21771$150.00 -
Out Of Stock
HK MP5, SP5 Adapter - Tail Hook
B&T Brugger & Thomet
$135.00B&T Tail Hook Adapter MP5/SP5 (Including K) Compatible With: HK MP5/MP5K HK SP5/SP5KHKP-21763$135.00 -
Out Of Stock
Picatinny Optic Mount - 39mm - Aimpoint ACRO / NANO
B&T Brugger & Thomet
$85.00B&T Aimpoint ACRO / NANO 39mm QD Mount The B&T ACRO NANO optic mount is a universal QD mount for any firearm featuring a Picatinny top rail. Keep your optic profile compact with this Swiss made mount. Compatible With: Any firearm featuring...HKP-21761$85.00 -
Out Of Stock
B&T Stock Conversion Kit - Stock or Brace Adapter - Telescopic
B&T Brugger & Thomet
$90.00B&T Stock Conversion Kit for Telescopic Brace/Stock Adapters This stock conversion kit will work on all models of telebraces with a tailhook adapter endplate. Perfect for converting you telescopic brace into a proper stock (NFA rules apply). The kit...HKP-21725$90.00 -
HK MP5, MP5K Bolt Group - Complete - 9mm - Suppressed
H&K Heckler & Koch
$2,974.00H&K MP5K 9mm Complete Bolt Group - Suppressed Introducing an incredible opportunity: a fully assembled Factory German F/A MP5K bolt group, showcasing the highly coveted 80 degree #28 German locking piece. This is the definitive drop-in...HKP-21613$2,974.00 -
HK MP5, MP5K, G3 Night Sights
XS Sights
$159.95Trijicon Bright & Tough - Night Sights - H&K SP89, Carbines, Rifles Trijicon bright & tough night sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Housed in a metal...HKP-20325$159.95 -
Picatinny Optic Mount - Aimpoint T1 - Absolute Co-Witness
Aimpoint
$14.95Aimpoint - T1 Mount Absolute Co-Witness Features a machined recoil lug for consistent, repeatable mounting. Features: 6061 T6 aluminum Black anodized Machined recoil lug Compatible With: Aimpoint T1 / H1 Series optics Micro T-1 MIL-STD...HKP-19334$14.95 -
Triangle Stock - TS-8 with 1913 Folding Mech
JMAC Customs
$284.99JMAC Customs TS-8 w/ 1913 Folding Mech Triangle stock 8" with our 1913 folding mech (not assembled) 2x integrated QD sling socket 8" length Drilled and tapped for optional cheek risers (will be available in the future) Compatible with SIG folding...HKP-20145$284.99 -
HK SP5K Spec Only 9mm 2 Position (0,1 Pictogram) FBI Style Grip Trigger Housing
H&K Heckler & Koch
$194.95H&K SP5K Spec 9mm 2 Position (0,1 Pictogram) FBI Style Grip Trigger Housing Upgrade your HK SP5K with this authentic German FBI style grip housing, designed specifically for the SP5K model. Compatible with all HK German ambidextrous trigger packs and...HKP-18307$194.95 -
HK MP5K 3-Position Folding Adjustable Stock
B&T Brugger & Thomet
$494.95B&T HK MP5K 3-Position Folding Adjustable Stock Swiss made B&T folding and length adjustable stock for the HK MP5K and compatible. This is a military grade stock as supplied by B&T to military and law enforcement units world-wide. B&T AG...HKP-18243$494.95 -
Out Of Stock
HK MP5K 9mm 3 Position (S,E,3F Pictogram) Burst Trigger Housing - Push Pin - RARE
H&K Heckler & Koch
$0.00H&K MP5K 9mm 3 Position (S,E,3F Pictogram) Burst Trigger Housing - Push Pin - RARE This rare HK MP5K SE3F marked ambidextrous push pin trigger features a 3 position pictogram (S,E,3F) Safe, Semi, and 3-Round Burst. With only a few available in the...HKP-02015$0.00