MP5K / SP5K Series

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.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Out Of Stock
    New - H&K XX Marked 9mm Strutted Hammer - HKP-00148 HK XX Marked 9mm Strutted Hammer

    HK XX Marked 9mm Strutted Hammer

    H&K Heckler & Koch

    $159.95
    HK XX Marked 9mm Strutted Hammer Compatible With: MP5, 94, SP5 MP5K, SP89, SP5K MP5 40, MP5 10 Clones or other custom builds
    HKP-00148
    $159.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
    Out Of Stock
  • Out Of Stock
    New - B&T Telescopic Stock End Cap - HKP-21721 B&T Telescopic Stock End Cap

    B&T Telescopic Stock End Cap

    B&T Brugger & Thomet

    $8.95
    B&T Telescopic Stock End Cap B&T replacement end cap for telescopic stocks.  Limits the extension of the stock to keep it from sliding out of the guides.
    HKP-21721
    $8.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $8.95
    Subtotal:
    Out Of Stock
  • Out Of Stock
    Compact Vertical Foregrip with Hand stop - M-LOK Compact Vertical Foregrip with Hand stop - M-LOK

    Compact Vertical Foregrip with Hand stop - M-LOK

    JMK

    $88.95
    Compact Vertical Foregrip with Hand stop - M-LOK The JMK Vertical Foregrips are ideally suited for applications with restricted space. Equipped with a rapid, straightforward M-LOK attachment system, it can be mounted on any configuration with an M-LOK...
    HKP-22406-M
    $88.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $88.95
    Subtotal:
    Out Of Stock
  • New - HKP HK MP5/K Thread Protector - Threaded 1/2x32 RH - HKP-21829 HK MP5, MP5K Thread Protector - 1/2x32 - RH
    Add to Cart

    HK MP5, MP5K Thread Protector - 1/2x32 - RH

    HKP HK Parts

    $14.95
    HKP HK MP5/K Thread Protector - Threaded 1/2x32 RH This MP5/K thread protector is designed to safeguard your barrel threads from damage when a muzzle device is not in use. Made in the USA from high-quality steel, it offers durability and a precise fit...
    HKP-21829
    $14.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
    Add to Cart
  • On Sale
    New - SB Tactical HK MP5K SBA5 Pistol Stabilizing Brace - HKP-21795-M HK MP5K Pistol Stabilizing Brace - SBA5
    Choose Options

    HK MP5K Pistol Stabilizing Brace - SBA5

    SB Tactical

    Now: $189.95
    Was: $248.95
    SB Tactical HK MP5K SBA5 Pistol Stabilizing Brace SB Tactical combined with our MP5K end cap creates a true drop-in brace, perfect for those seeking the flexibility that the SBA5 pistol stabilizing brace offers. With a 5-position adjustable length, this...
    HKP-21795-M
    Now: $189.95
    Was: $248.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $189.95
    Was: $248.95
    Subtotal:
    Choose Options
  • Out Of Stock
    New - B&T Aimpoint ACRO / NANO 39mm QD Mount - HKP-21761 Picatinny Optic Mount - 39mm - Aimpoint ACRO / NANO

    Picatinny Optic Mount - 39mm - Aimpoint ACRO / NANO

    B&T Brugger & Thomet

    $85.00
    B&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
    Qty in Cart: 0
    Quantity:
    Price:
    $85.00
    Subtotal:
    Out Of Stock
  • Out Of Stock
    New - B&T Aimpoint ACRO / NANO 30mm QD Mount - HKP-21742 Picatinny Optic Mount - 30mm - Aimpoint ACRO, NANO

    Picatinny Optic Mount - 30mm - Aimpoint ACRO, NANO

    B&T Brugger & Thomet

    $98.00
    B&T Aimpoint ACRO / NANO 30mm 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-21742
    $98.00
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $98.00
    Subtotal:
    Out Of Stock
  • New - HKP Ambi Housing Franklin Armory Binary Selector Set - RAL 8000 - HKP-21380 HK Binary Selector Set - Ambi Housing - RAL8000
    Add to Cart

    HK Binary Selector Set - Ambi Housing - RAL8000

    HKP HK Parts

    $79.95
    HKP/H&K MP5/K 9mm Ambi Housing Franklin Armory Binary Selector Set - RAL 8000 Elevate your Franklin Armory BFSIII HK Binary Trigger Pack with our new aluminum selector lever set, specifically designed for ambidextrous pictogram housings...
    HKP-21380
    $79.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
    Add to Cart
  • New - Aimpoint Absolute Co-Witness T1 Quick Release Mount - HKP-19336 Picatinny T1 Optic Mount - Absolute Co Witness - Quick Release
    Add to Cart

    Picatinny T1 Optic Mount - Absolute Co Witness - Quick Release

    AIM

    $38.95
    AimSports - T1 Quick Release Mount - Absolute Co-Witness Features a machined recoil lug and steel hardware to prevent wear between mounting surfaces. Utilizing a quick release base, the generously sized lever is textured for easy operation under any...
    HKP-19336
    $38.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $38.95
    Subtotal:
    Add to Cart
  • New - Aimpoint Lower 1/3 Co-Witness T1 Mount - HKP-19335 Aimpoint T1 Optic Mount - Lower 1/3 Co-Witness
    Add to Cart

    Aimpoint T1 Optic Mount - Lower 1/3 Co-Witness

    AIM

    $29.99
    Aimpoint - T1 Mount - Lower 1/3 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
    HKP-19335
    $29.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $29.99
    Subtotal:
    Add to Cart
  • New - JMAC Customs 360 1/2x28 Facemount KeyMount (KeyMicro) - HKP-20141 HK MP5 Facemount KeyMount - KeyMicro - 360 1/2x28
    Add to Cart

    HK MP5 Facemount KeyMount - KeyMicro - 360 1/2x28

    JMAC Customs

    $104.95
    JMAC Customs 360 1/2x28 Facemount KeyMount (KeyMicro) With the advancement of suppressor technology and the popularity of the KeyMount mounting system, the 360-28F was designed to allow users to install a KeyMount compatible muzzle device on their...
    HKP-20141
    $104.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $104.95
    Subtotal:
    Add to Cart
  • New - H&K MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Clipped & Pinned - HKP-00402 HK MP5K, SP89 Trigger Housing - FBI Style - 2 Position Pictogram 0,1 Pictogram - Clipped and Pinned - 9mm
    Add to Cart

    HK MP5K, SP89 Trigger Housing - FBI Style - 2 Position Pictogram 0,1 Pictogram - Clipped and Pinned - 9mm

    H&K Heckler & Koch

    $245.95
    H&K MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Clipped & Pinned This clipped and pinned trigger housing is modified to fit MP5K or SP89 housings. It accommodates all HK German ambidextrous trigger packs and selector...
    HKP-00402
    $245.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $245.95
    Subtotal:
    Add to Cart
  • Total: items /

Adding your products to cart

View Cart Continue Shopping