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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On Sale
HK91, G3 Blast Can - Threaded 5/8x24
MI Midwest Industries
Now: $24.83Was: $38.95MI Blast Can 5/8x24 Thread Specifications: Directs muzzle blast forward on short barrel rifles and pistols. Does nHKP-21536Now: $24.83Was: $38.95 -
HK34 9mm Pistol Build Kit - Navy Binary
HKP HK Parts
$2,199.95HK34 9mm Pistol Build Kit - Navy Binary Just when you thought all permutations of roller-lock kits had been exhausted, HK Parts brings you the HK34. The HK34 strikes a balance between the...HKP-21482$2,199.95 -
On Sale
Vector Arms V51 Fixed Stock
HKP HK Parts
$178.46 - $178.47H&K / HKP V51 Fixed Stock HK Parts A2 style stocks for the Vector V51 platform. We start with a like-new backplate and convert it into a V51 collapsible style and pair it with a like-new, hand-picked...HKP-21270-M$178.46 - $178.47 -
HK G36 C-Mag System - 100 Round Drum
Beta C-Mag
$839.95The Beta Company 100 Round Beta C-Mag Kit for HK G36 These drums are designed with clear back covers to enable you to see your round count. This magazine is the top-of-the-line package from The Beta...HKP-21205-M$839.95 -
On Sale
HK MP5KSD Rubber Grip Only - Barrel Shroud Handguard
HKP HK Parts
Now: $114.72Was: $179.95HK Parts replacement rubber grip for HK MP5KSD Barrel Shroud and Handguard (Rubber Grip Only) Perfect size handguard to pair with the HKP MP5K SD shrouds. Engages perfectly on the machined lugs of...HKP-20951Now: $114.72Was: $179.95 -
HK53 A3 German Parts Kit
H&K Heckler & Koch
$6,799.95HK German HK53 A3 Factory Parts Kit Complete Minus The Demilled Receiver Includes: HK German desirable 1/7 twist factory cold hammer forged barrel HK ambidextrous 2 round burst triggerHKP-20729$6,799.95 -
On Sale
HK416, MR556 10" M-LOK Rail System - FDFE
KDG Kinetic Development Group
Now: $203.97Was: $319.95Rail System - 10" - Brown - M-LOK - HK MR556 The New KDG HK 556 M-LOK rails are direct mount rail system, replacing the factory HK 556 rail systems. These new rails are identical in design to their...HKP-19240Now: $203.97Was: $319.95 -
HK G36C, SL8 Flash Hider
H&K Heckler & Koch
$165.99H&K G36C (5.56/.223) G36C Flash Hider - Threaded 15x1 RH Threaded 15x1. Perfect for HK rifle barrels and conversion barrels. Specifications: Threaded 15x1 RHHKP-00630$165.99 -
On Sale
HK MP5 2-Stage Trigger - .40 S&W, 10mm
Timney Triggers
Now: $228.83Was: $358.95Timney Trigger for MP5 .40 S&W, 10mm The Timney HK MP5 .40 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the...HKP-20510Now: $228.83Was: $358.95 -
On Sale
HK416, HK MR556 M-LOK Handguard with Overgrip - 11" - Coyote Tan
B&T Brugger & Thomet
Now: $187.46Was: $365.00B&T M-LOK Handguard for HK416/MR556, 11" with "Overgrip" Free-Cut on the Top Rail B&T's one-piece 11" M-LOK handguard for HK416 and MR556 rifles. The handguard is an easy to install, direct...HKP-20401Now: $187.46Was: $365.00 -
HK21 Bolt Carrier - Stripped - Incomplete
FMP HK CONTRACT
$499.95FMP HK 21 Stripped Bolt Carrier New old stock stripped HK21 FMP Full auto bolt carrier. Missing the catch lever assembly (see pictures). May have storage marks or light rust on the unfinished bottom...HKP-20034$499.95 -
Out Of StockOn Sale
HK MP5K Binary Pistol Build Complete Limited Edition Kit
HKP HK Parts
Now: $1,904.82Was: $2,987.95Limited Edition Parts Kit - MP5K With Binary Trigger Group Our limited edition parts kit will include the highly desirable Binary 3 position Navy trigger group with a universal style housing that...HKP-20025Now: $1,904.82Was: $2,987.95