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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Out Of Stock
B&T APC45, SPC45, GHM45 Magazine - 25 Round
B&T Brugger & Thomet
$145.00B&T .45 ACP 25 Rounds Magazine B&T's APC45 replacement magazines are the same straight-body stick mags that ship with new B&T firearms. These high quality factory magazines hold 25 rounds of .45 ACP ammunition. Specifications: Factory...HKP-17438$145.00 -
HK MP5, SP5 Telescopic Brace
B&T Brugger & Thomet
$650.00B&T HK MP5, SP5 Telescopic Brace B&T's telescopic retractable 5-position brace assembly for Heckler & Koch models, MP5, SP5 and HK94 and clones. Installs using existing push pins, no modification required for installation...HKP-19504$650.00 -
HK MP5 Magazine Spring - 30 Round - Enhanced
HKP HK Parts
$8.95HKP HK MP5 30 Round Enhanced Magazine Spring US-made enhanced 30-round magazine spring for the MP5. Provides improved feeding reliability and consistent spring tension. Compatible With: HK MP5/KHKP-22157$8.95 -
HK416, HK417, MR556, MR762 Handguard Rail Cover - Quad
H&K Heckler & Koch
$19.95H&K HK MR556/MR762/416/417 Quad Handguard Rail Cover Brand new Heckler & Koch Picatinny rail covers made of high-impact HK polymer. Each rail is equipped with a quick-release tab and marked with the HK logo. Compatible With: HK...HKP-01743$19.95 -
HK MP5, HK91, G3, HK33 Optic Mount - Picatinny
B&T Brugger & Thomet
$120.00B&T G3/91, 33/93, MP5/94 - Universal Scope Mount Specifitacions: Color: Black Height max: 35.5 mm Length max: 138 mm Length of top rail: 138 mm Material: Aluminum MSN: 5340-25-149-2979 NATO Accessory Rails: 1 Part number: BT-21262-1 Treatment:...HKP-16878$120.00 -
HK416, MR556, G36 Gas Piston - Complete
H&K Heckler & Koch
$50.95H&K HK MR556/MR762/416/417/G36/SL8 Complete Gas Piston New HK German gas piston assembly with three locking piston rings installed. This is a great spare part to have on hand, as the gas piston takes a lot of wear and tear. Compatible With: HK...HKP-00047$50.95 -
HK MP5K, HK90 Series Sear Complete - Steel - Used Surplus
H&K Heckler & Koch
$12.95Heckler & Koch's Sear Catch Release - Complete for HKP 90, MP5K Trigger Packs - German - Used - Steel German HK Sear/Catch complete with installed detent, spring and roll pin. Used surplus in VG-EXC shape and in perfect working order and complete...HKP-18304$12.95 -
HK91, G3, HK33, HK53, HK93 Cocking Handle Spring
HKP HK Parts
$3.95HKP Cocking Handle Spring The cocking handle spring is a medium wear component and should be replaced intermittently. Grab a spare to keep with your maintenance gear in case of failure in the field too. Compatible With: HK G3, 91, PTR91 HK...HKP-02465$3.95 -
HK Receiver Flat Bending Jig Set - Billet Steel
HKP HK Parts
$599.95Flat Bending Jig Set For All HK Style Flats - Billeted - All Steel All steel billeted universal flat bending jig for all HK receiver flats including PTR .308 flats and the PTR/LSC flats. Each bending jig comes complete with all the pieces you need for...HKP-19595$599.95 -
HK G36C, G36K Tri-Rail Set - Complete
UTG
$64.95UTG 1 Long and 2 Short Rail Rail Set for HK G36C, G36K, G36 .22LR Three-piece Picatinny rail set for G36-pattern handguards or forearms with built-in rail mounting points. Includes bottom, left, and right aluminum rails, along with mounting screws and...HKP-00272$64.95 -
HK90 Series Front Sight Sling Loop - Used
H&K Heckler & Koch
$24.95HK German sling loop, eyebolt or triple frame retainer pin for front sight tower - Used This HK OEM item is used and pulled from demilled HK firearms. This is a must have item for all of your re-barrel jobs of for when you need to mount a sling loop to...HKP-17058$24.95 -
HK91, G3 SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT
H&K Heckler & Koch
$99.95H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT German-made Heckler & Koch grip housing comes in black polymer clipped & pinned, ready to drop on your HK 91, HKG3, PTR-91, or other HK .308 type...HKP-01824$99.95