HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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HK MP5 Magazine Release Lever Spring - 10mm and .40 S&W
H&K Heckler & Koch
$9.95H&K MP5 40/10 Magazine Release Lever Spring The needed spring that fits in the mag release lever and the magwell for the MP5 40/10 series. Made in Germany and no longer offered or made. These units are the latest design with the ground ends for...HKP-18109$9.95 -
HK MP5, MP5K, HK93, HK91 Handguard Retainer Screw - Tactical, Keymod, and M-LOK
PTR
$4.95PTR Tactical, Keymod & M-LOK, Retainer Handguard Screw This is the screw that is used on all the Tactical, Keymod, and M-LOK forearms (MP5K, MP5, HK93, HK91). A great spare to have in case the original screw gets lost.HKP-16743$4.95 -
HK90 Series Night Sight Set - Front and Rear
Trijicon
$124.95Trijicon 90 Series Front & Rear Night Sight Set Trijicon produces the brightest night sights available for Heckler & Koch sub guns and rifles. These tritium night sight inserts are a no-brainer for quicker, more accurate point-and-shoot...HKP-00373$124.95 -
HK416, MR556 Buffer Tube - Enhanced
H&K Heckler & Koch
$199.95FDE HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial Genuine HK German manufactured 416 & MR556 latest generation, marine environment & over the beach buffer tube. Each commercial buffer tube has built in drainage...HKP-18499$199.95 -
Out Of StockOn Sale
HK MP5, MP5K, AP5-P Optic Mount - Picatinny
MKE
Now: $39.95Was: $49.95MKE HK MP5K, AP5P OEM Picatinny Optic Rail MKE Picatinny optic rail for the MP5K platform. OEM part for the Century AP5-P and AP5-M. This rail is the K specific length but is compatible with full size MP5 guns as well. Compatible With: HK...HKP-22334Now: $39.95Was: $49.95 -
HK33, HK53, HK93, MP5 A2 Fixed Stock
H&K Heckler & Koch
$139.95H&K 93,33,53 and MP5 A2 Fixed Stock This H&K G3 stock section and buttpad combo is designed to enhance the functionality and comfort of your HK 93,53 and MP5 firearm. The stock section provides improved strength and stability, while the...HKP-21818-M$139.95 -
HK MP5K, SP5K-PDW, SP89 Binary Trigger Group - Ambi - BFSIII - 9mm
FA Franklin Armory
$849.95Franklin Armory HK MP5K-AR Binary Trigger Group Introducing our new MP5K-AR Navy ambidextrous lower housing, paired with a Franklin Armory Binary Trigger pack and a Magpul MOE grip for a complete MP5K-AR Binary Trigger group. This drop-in unit fits all...HKP-21337-M$849.95 -
HK MP5 Magazine - Monkey Supersonic Labeled - 30 Round
Zenith
$43.95Zenith 30 Round HK MP5 Monkey Supersonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Feautres: Durable electro-plated black finish for exceptional corrosion resistance All...HKP-20915$43.95 -
Out Of Stock
HK SP5 9mm 4 Position (0,1,3,F Pictogram) Navy Style Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$425.95H&K SP5 9mm 4 Position (0,1,3,F Pictogram) Navy Style Trigger Housing - Clipped & Pinned The navy style trigger housing is the perfect addition to your HK SP5 9mm firearm. Designed for easy drop in installation, this housing allows you to...HKP-19231$425.95 -
PTR Flash Hider - G28 Style - Threaded 5/8x24 RH
MFI
$79.95MFI PTR Flash Hider - .223/5.56 - G28 Style - 5/8x24 RH The G28 2nd Gen flash hider is designed for 2016 and later PTR production models, as well as other firearms with 5/8x24 threaded barrels. This flash hider features a deep counter bore,...HKP-17940$79.95 -
HK MP5K, SP89, SP5K End Cap with Sling Swivel - 9mm - HKP
HKP HK Parts
$49.95HKP MP5K/SP89/SP5K 9mm End Cap - HK Style This end cap is an identical reproduction of the factory end cap and features the original HK style buffer. Compatible With: MP5K SP5K SP89 In spec. clones and custom buildsHKP-16135$49.95 -
HK MP5K, SP89 End Cap with Buffer - 9mm - Steel
Choate
$45.95MP5K & SP-89 Steel End Cap With Replaceable Rubber Buffer Fits perfectly on all HK MP5K-type builds or projects. All metal construction, so you know it will last. Each unit comes with a sling loop for use with multiple sling types. Compatible...HKP-00395$45.95