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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HK33, HK53, HK93 A2 Fixed Buttstock - Surplus - Dark OD Green
H&K Heckler & Koch
$139.95Surplus - Fixed Stock - Dark OD Green - HK93,33,53 Hand-picked stocks in excellent condition. Comes with matching buttpad. Ready to install on your HK or clone rifle. German military surplus, but handpicked to give you the best of the offerings...HKP-18889$139.95 -
Out Of Stock
HK MP5 Barrel Chamber Flute Cleaning Brush - .40 S&W, 10mm
H&K Heckler & Koch
$29.95New HK German MP5 40, MP5 10mm Chamber Flute Brush This is a must-have brush to keep the flute clean and the firearm running the way it should. Get this item while you can, it is no longer in production and is hard to find. Compatible With: MP5 40 MP5...HKP-00139$29.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Tactical Grip
Ergo
$54.95Ergo Grip PSG1 Style Grip For MR556 & MR762 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, M16 and MR...HKP-17131$54.95 -
On Sale
HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED
MKE
Now: $34.95Was: $49.95HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This contoured trigger housing is...HKP-99395Now: $34.95Was: $49.95 -
Out Of Stock
HK MP5 Barrel Retaining Pin - 5.015mm
H&K Heckler & Koch
$14.95H&K 90 Series Barrel Retaining Pin - 5.015mm Each barrel pin is used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel. Compatible With: HK MP5, SP5, MP5K,...HKP-22284$14.95 -
Out Of Stock
HK MR556 A4 Charging Handle - Ambi
H&K Heckler & Koch
$199.95H&K HK MR556 A4 Ambi Charging Handle Upgrade your MR556 or HK416-style rifle with this factory H&K ambidextrous charging handle, designed for smooth, reliable operation from either side. Built to Heckler & Koch’s exacting standards,...HKP-21933$199.95 -
HK MP5 Pistol Stabilizing Brace- SBA3 - 5 Position Adjustable
SB Tactical
$269.95SBA3 - 5 Position Adjustable Stabilizing Brace - MP5 The perfect addition to your firearm with the ability to adjust length with its 5-position adjustable buffer tube. Dramatically enhances versatility, and features a minimalist design with an integral,...HKP-20276$269.95 -
HK MP5, MP5K Rear Sight Base - MIM and Machined
H&K Heckler & Koch
$14.95Heckler and Koch Rear Sight Base - Weldment for HK MP5 and HK MP5K New HK MP5, MP5K 17-4 Stainless H900 rear sight base. The most correct MP5, MP5K rear sight base available. The only factory correct sight base with the factory HK German side axis...HKP-19705$14.95 -
On Sale
HK MP5 Foregrip Weapon Light - 628 Momentary - USED
Surefire
Now: $399.95Was: $499.95Surefire 628 HK MP5 - Momentary Handguard - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY NO BATTERIES INCLUDED. USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Surefire 628 momentary forearm used...HKP-19403-BNow: $399.95Was: $499.95 -
HK417, MR762 Handguard - Picatinny Quad Rail - 9"
H&K Heckler & Koch
$457.95H&K MR762/417 Picatinny Quad Rail Handguard - 9" Factory HK German MR762, HK417 handguard with mounting screws. Compatible With: HK MR762 A1, A4 HK417 MR308HKP-16629$457.95 -
Out Of Stock
HK MP7 Retractable Buttstock - 3-Position
H&K Heckler & Koch
$199.95H&K HK MP7 3-Position Retractable Stock New German HK Rare HK MP7 - 3 Position Retractable ButtstockCompatible with all MP7A1 and MP7A2 FirearmsHKP-18283$199.95 -
HK MP5 Locking Roller +4 - .40 S&W
HKP HK Parts
$11.95HK US MP540 Undersized Locking Roller, +4 The proper roller size is essential for proper headspacing of bolt gap. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you...HKP-17562$11.95