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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
HK MP5K, SP89, SP5K Stock or Brace Adapter - AR - 9mm
HKP HK Parts
$114.95HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR...HKP-17138$114.95 -
HK MP5, HK90 Series Hammer Spring Bushing - Burst
H&K Heckler & Koch
$19.9990 Series Hammer Spring Bushing For Burst Trigger Packs This part will fit both two and three-round burst trigger packs.HKP-02398$19.99 -
MP5SD Front Sight Tower
USA
$49.95MP5SD Front Sight Tower New US Made MP5SD Front Sight TowerHKP-15699$49.95 -
HK MP5, AP5 Full Auto Sear Spring Spacer
MKE
$1.95MKE Distance Sleeve for HK MP5 and AP5 Features: Precision-machined roller used in traditional roller-delayed trigger packs. Ensures perfect trigger geometry, smooth operation, and long-lasting reliability. Compatible With: HK MP5 Century...HKP-22477$1.95 -
HK91, G3 Magazine - 15 Round - Alloy
H&K Heckler & Koch
$44.95Heckler and Koch HK91, G3, MSG90 15-Round Alloy Magazine Manufactured by Heckler & Koch and converted to 15-round capacity in the United States using a U.S.-made floorplate. Counts as one U.S.-made part for 922r compliance. Compatible With: HK91,...HKP-22427$44.95 -
On Sale
CZ Scorpion Binary Trigger - Curved - BFSIII - BLEMISHED
FA Franklin Armory
Now: $349.99Was: $495.95Franklin Armory CZ Scorpion - BFSIII - Binary Trigger - Curved - BLEMISHED DAMAGED PACKAGING - PRODUCT UNAFFECTED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL...HKP-18881-BNow: $349.99Was: $495.95 -
Century Arms AP5-P, AP5-M Handguard with Handstop
MKE
$34.95MKE AP5-P/M Handguard with Hand Stop MKE handguard for the MKE manufactured Century AP5-P and AP5-M. Please note: Will fit other MP5K style receivers with some slight fitting. Compatible With: MKE/Century Arms AP5-P MKE/Century Arms...HKP-22221$34.95 -
On Sale
HK MP5, AP5 Front Sight Tower
MKE
Now: $37.46Was: $49.95MKE AP5, MP5 Front Sight Tower The front sight tower is a critical component for a perfect build. The MKE front sight tower is great option for new builds or replacement of damaged units. Compatible With: Century Arms AP5 Century Arms AP5K/M Clones with...HKP-22220Now: $37.46Was: $49.95 -
Out Of Stock
HK MP5K Recoil Rod Assembly - 9mm
RCM
$54.95RCM HK MP5K Recoil Rod Assembly The recoil rod and spring assembly is a great item to have on hand for replacement and spares as this is a consumable part. Compatible With: HK MP5K NOT compatible with SP5K with the F-style recoil rod MP5K clones and...HKP-22203$54.95 -
On Sale
HK MP5K Barrel - .357 Sig - Threaded 1/2x32 with 3 Lug - Gunsmith Special
USA
Now: $59.95Was: $289.95HK MP5K .357 Sig Barrel - 3 Lug - Threaded 1/2x32 - Gunsmith Special Unfinished US-Made MP5K .357 Sig barrel. Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith. Condition will...HKP-99177Now: $59.95Was: $289.95 -
HK91, G3 Muzzle Protector Cap
H&K Heckler & Koch
$8.95Heckler and Koch Muzzle Protector Cap for your HK91 and HK G3 Genuine HK muzzle cap designed to keep debris, water, etc., from entering the barrel. The cap can be removed by hand or when the first round is fired with the cap installed. Standard...HKP-21892$8.95 -
HK21 FMP Complete Build Kit - Non Matching Numbers - 14.5" Barrel
FMP HK CONTRACT
$3,289.95HK21 Complete Build Kit- Non Matching Numbers - 14.5" Barrel HK Parts bring you yet another exhaustive parts kit. Our HK21 kit includes everything you need to resurrect an iconic classic and hit the range for some belt-fed action. Paired with...HKP-21848$3,289.95