Parts
At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.
Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.
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HK MP5, MP5K Barrel Extension / Faux Suppressor - 8.85" - Threaded 15x1 RH
USA
$179.95HK MP5/K Barrel Extension Faux Suppressor - 15x1 RH Perfect for that rifle build or for those looking for the MP5KN suppressed look. Dakota tactical review of this exciting new product on an MP5: DTAC Suppressor Review Specifications: Overall length: 8...HKP-20890$179.95 -
Out Of Stock
HKP HK MP5 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing
HKP HK Parts
$129.95US Made HK MP5 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing This 922r compliant housing features a 2 position (0,1) pictogram. Specifications: 2 Position Pictogram Markings: 0,1 FBI Style Housing Compatible With: HK MP5HKP-20839$129.95 -
On Sale
Tikka, CTR Bolt Shroud
Tactical Precision MFG
Now: $28.95Was: $54.99Tactical Precision MFG Tikka Bolt Shroud made of Titanium This titanium Tikka bolt shroud is durable and corrosion resistant. Features: Made in the USA Dimensions: 1 9/16" x 7/8" x 3/4" Compatible With: Tikka T3, T3x, and CTR rifles NOT...HKP-20783Now: $28.95Was: $54.99 -
On Sale
Bolt Knob - Drake - Aluminum
Tactical Precision MFG
Now: $20.95Was: $39.99Drake Bolt Knob - Aluminum These bolt knobs are made from aluminum and are finished a in midnight bronze Cerakote and will fit any 5/16-24 threaded bolt handle. Features: Material: aluminum Color: black Threading: 5/16x24 Compatible...HKP-20773Now: $20.95Was: $39.99 -
Geissele HK 416 10.5" M-LOK Handguard
Geissele
$499.95Geissele HK 416 10.5" M-LOK Handguard The super modular rail HK416 MK15 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength, rigidity and...HKP-20327$499.95 -
Outer Impact HK Standard Kit Pyramid Sight System
Outer Impact
$79.95The Heckler and Koch Pyramid Sight System The Pyramid Sight system offers four configurations (starter, standard, firefly, and master) for maximum flexibility. All of the HK pyramid sights systems feature steel front and steel rear sight bases...HKP-19963$79.95 -
On Sale
Ruger Binary Trigger - Curved - BFSIII - 10mm and .22LR
FA Franklin Armory
Now: $269.99Was: $299.95Franklin Armory BFSIII 22-C1 for Ruger 10/22 The Binary Firing System GEN 3 (BFSIII) is a 3-position trigger. Position 1: Safe. Will not fire Position 2: Semi. Fires 1 round per pull Position 3: Binary. Fires 1 round on pull and 1 round on...HKP-19865Now: $269.99Was: $299.95 -
B&T TP9, MP9, TP380 Stock Conversion Kit
B&T Brugger & Thomet
$147.95Stock Conversion Kit - TP9, MP9, TP380 Converts B&T's telescopic brace into a telescopic stock. Compatible with B&T part number BT-20522 for TP9, TP380. Compatible With: B&T TP9, MP9 B&T TP380HKP-19128$147.95 -
HK416, MR556 Rail System - 13.75" - M-LOK, Picatinny - FDE
KDG Kinetic Development Group
$399.95Rail System - 13.75" - 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 big brother, the KDG HK 762 M-LOK Rail system. Like...HKP-19243$399.95 -
HK VP9SK, VP40SK Backstrap - Medium - OD Green
H&K Heckler & Koch
$24.95H&K VP9SK, VP40SK Backstrap - Medium - OD Green New HK German manufacture. Compatible With: HK VP9SK HK VP40SKHKP-18583$24.95 -
HKVP9SK Grip Panel - Left Side - Medium - FDE
H&K Heckler & Koch
$16.95Heckler and Koch Grip Panel, Left Side - Medium - VP9SK - FDE New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18585$16.95 -
On Sale
HKP Hat - Snapback - Flat Brim - Black and Red
HKP HK Parts
Now: $13.45Was: $19.95HKP Flat Brim Snapback Hat - Black & Red Get your hands on some of our premium hats! Official HKP merchandise 5" wide HKP logo 100% cotton Structured 4 sewn eyelets Matching color sweatband Plastic adjustable snap Firm front panel Size: OSFM -...HKP-20461Now: $13.45Was: $19.95