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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HK416, MR556, HK417, MR762 Tactical Grip - Dark Earth
Ergo
$52.95Ergo Grip PSG1 Style Grip For MR556 & MR762- DARK EARTH Just in and a great upgrade if you want the PSG1 style grip frame for your HK MR556, MR762 & HK416, HK417, G28 firearm. The ergonomically enhanced ERGO Tactical Deluxe Grips fits all AR15,...HKP-17192$52.95 -
HK MP5, MP5K Optic Mount - 9mm - Raised - Picatinny
MI Midwest Industries
$119.95Midwest Industries HK MP5, MP5K Tall Optic Mount - 1913 Picatinny Rail Tall, clamp-on optic mount for HK MP5 and MP5K pattern firearms, giving a higher, more upright sightline while still allowing use of the factory diopter sights. Ideal for mounting...HKP-22397$119.95 -
HK MP5, SP5 Faux Suppressor - KAC Style - 1/2x28
MFI
$138.95HK MP5, SP5 KAC Style Faux Suppressor - 1/2x28 The MFI faux KAC-Navy suppressor is designed to thread onto any 1/2x28 barrels and fully enclose the 3-lugs, ensuring an authentic looking fit and finish. Inspired from the coveted KAC MP5N suppressor, this...HKP-22363$138.95 -
Picatinny Optic Mount Shield - ACRO P2, C2 - S.W.O.R.D.S
Frost Defense
$239.95Aimpoint ACRO P-2, C-2 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint ACRO P2/C2 red dot sights. This patent-pending mount system provides robust glare and impact protection by surrounding the...HKP-22341-M$239.95 -
HK416, MR556, HK417, MR762 Handguard Locking Screw - A4 Style
H&K Heckler & Koch
$22.95HK416, MR556, HK417, MR762 - A4 - Handguard Locking Screw Replacement locking screw that secures the A4 handguard to the upper receiver. Compatible With: HK HK416 A4 HK MR556 A4 HK HK417 A4 (2 required per handguard) HK MR762 A4 (2 required per...HKP-22304$22.95 -
On Sale
HK MP5, 90 Series Holder Plate for Locking Rollers
MKE
Now: $24.95Was: $29.95MKE Roller Retainer Plate for Rollers This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: HK MP5, 94 HK MP5K, SP89 HKG3, 91,...HKP-22235Now: $24.95Was: $29.95 -
HK VP9 Magwell - Ultra Low Profile
HKP HK Parts
$59.95HKP HK VP9 Magwell - Tactical Low Profile The smallest, lowest-profile magwell available for the HK VP9—now with a fully functional funnel for faster, smoother reloads. Precision-machined from durable aluminum, it enhances performance without bulk,...HKP-22076-M$59.95 -
On Sale
HK MP5, MP5K Locking Piece - 100 Degree - Extra Low Impulse - .40 S&W, 10mm - Gunsmith Special - BLEMISHED
HKP HK Parts
Now: $9.95Was: $49.95HKP MP5/K 40/10 Locking Piece - Extra Low Impulse - Gunsmith Special - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Please Note: Will require work...HKP-18273-BNow: $9.95Was: $49.95 -
Out Of Stock
Picatinny Optic Mount - 30mm - Aimpoint ACRO / NANO
B&T Brugger & Thomet
$98.00B&T Aimpoint ACRO / NANO 30mm QD Mount The B&T ACRO NANO optic mount is a universal QD mount for any firearm featuring a Picatinny top rail. Keep your optic profile compact with this Swiss made mount. Compatible With: Any firearm featuring...HKP-21742$98.00 -
Out Of Stock
HK / Hogue Exemplar Manual Folder Knife
Hogue
$189.95Features: Locking Mechanism: ABLE Lock (Ambidextrous Bar Lock Enhanced) Frame: Solid Black G10 Deep Carry Pocket Clip (Right or Left Handed, Tip Up or Down Carry) Lanyard Hole Blade: Profile: Clip Point with Partial Serrations & Ambidextrous...HKP-21284$189.95 -
Out Of Stock
Picatinny 9" Stock with 1913 Folding Mech
JMAC Customs
$309.90JMAC Universal Picatinny 9" Stock with 1913 Folding Mech Feautures: NEW Integrated Rubber Buttpad!! 2x Integrated QD Sling Socket 9" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding...HKP-21242-BL$309.90 -
On Sale
Bolt Knob - Fluted – Bronze
Tactical Precision MFG
Now: $19.95Was: $37.99TPM Fluted Bolt Knob – Bronze These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Specifications: Dimensions:1.5″ x 7/8″ x 7/8″ Weight: 2 oz. Threading: 5/16x24HKP-20906Now: $19.95Was: $37.99