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 StockOn Sale
HK Receiver Flat Bending Jig Set - Billet Steel
HKP HK Parts
Now: $479.96Was: $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...Now: $479.96Was: $599.95 -
On Sale
HK MP5 40/10 30 Round Magazine
H&K Heckler & Koch
Now: $179.95Was: $199.95New HK German MP5 40/10 30 Round Magazine Factory German MP5 40/10 magazine will fit all of the HK MP5 40/10 rifles & pistols, including the Vector, Coharie, and other custom builds & clones. Hard to find & the latest HK German factory...Now: $179.95Was: $199.95 -
On Sale
HK91, G3 Firing Pin
H&K Heckler & Koch
Now: $17.95Was: $19.95HK G3, HK91, PTR 762/.308 Firing Pin HK German, new factory part made from steel. Great for spares as this is a common wear item. Compatible With: HK G3 HK91 HK PTR CETME & C308Now: $17.95Was: $19.95 -
On Sale
HK Rifle Hammer Spring - Extra Power
H&K Heckler & Koch
Now: $13.46Was: $14.95H&K (5.56/.223) & (7.62x51/.308) Hammer Spring- Extra Power New HK German extra power hammer spring for all .308/.223 Semi & Full Auto Trigger Packs. This is a must have spare replacement part for your HK firearm parts bin. The heavy hammer...Now: $13.46Was: $14.95 -
On Sale
HK90, MP5K Sear Catch - Steel - Used Surplus
H&K Heckler & Koch
Now: $11.65Was: $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...Now: $11.65Was: $12.95 -
On Sale
HK91, G3 SEF Navy Style Trigger Housing - Clipped & Pinned - USED EXELLENT
H&K Heckler & Koch
Now: $89.95Was: $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...Now: $89.95Was: $99.95 -
On Sale
HK USC (.45 ACP) 10 Round Magazine
H&K Heckler & Koch
Now: $67.45Was: $74.95HK German Factory 10 Round USC .45 Magazine This is the only magazine that HK offers for HK USC unless you want to upgrade to the USC-UMP style of conversions. Compatible with all HK USC Carbines.Now: $67.45Was: $74.95 -
On Sale
HK416, MR556, G36, SL8 Piston Ring - Replacement Set of 3
H&K Heckler & Koch
Now: $17.95Was: $19.95HKP Gas Piston Ring Replacement Combo Set- 3 Rings The gas rings are prone to periodic breakage and wear and tear and require them to be replaced periodically. These are some of the most common breakage parts we see that need to be replaced on these...Now: $17.95Was: $19.95 -
Meprolight HK91, MP5, MP5K/HK93 Tritium Front Night Sight
Meprolight
$39.99Meprolight Rifle Front Sight - HK MP5, HK MP5K HK91, HK93, PTR The Meprolight HK Mp5, 91, 93, 94 Rifle Front Sight, Green ML31506F.S Features: Self illuminated light source - No batteries or switches, always ready when you need them. Operates under...$39.99 -
On Sale
HK 9mm / .357 SIG Barrel Bore Brush
H&K Heckler & Koch
Now: $1.75Was: $1.95HK 9mm / .357 SIG Barrel Bore Brush This brush is a must-have item to clean the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common thread). We offer a large variety of long-lasting bore...Now: $1.75Was: $1.95 -
On Sale
HK MP5, MP5K Magazine Release - 4-Piece Set
HKP HK Parts
Now: $63.96Was: $79.95HKP HK MP5/MP5K 4-Piece Set Magazine Release Each magazine catch set consists of 4 pieces and is a mixture of German HK and US-made parts. This is the set that provides left-to-right mag release controls. Each Set Includes: Mag catch (German) Push...Now: $63.96Was: $79.95 -
On Sale
HK416, HK417, MR556, MR762 Handguard Rail Cover - Quad
H&K Heckler & Koch
Now: $17.95Was: $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...Now: $17.95Was: $19.95