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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HK G36 ACR Folding Stock - Picatinny Adapter
HKP HK Parts
$359.95HK G36 ACR Folding Stock w/Picatinny Adapter Add the iconic look and renowned functionality of the ACR stock to your G36 with our adapter and stock combo. The universal Picatinny adapter allows the user to swap the F5 ACR stock to other firearms and...HKP-22331$359.95 -
HK91, G3 Sniper Trigger Group - AC Unity Grip
H&K Heckler & Koch
$699.95H&K HK91, G3 Sniper Trigger Group with AC Unity Grip The G3, HK91 match trigger group paired with the AC Unity PSG1 style sniper grip is an outstanding choice for anyone looking to create a tactical and visually impressive build. With its robust...HKP-22252$699.95 -
On Sale
HK33, HK53, HK93 Magazine - 25 Round - RARE - Used - LEO Marked
H&K Heckler & Koch
Now: $249.95Was: $349.95H&K Heckler & Koch HK33, HK53, HK93 - 25 Round Magazine - LEO MARKED - (5.56/.223) - RARE - USED Priced for ONE Magazine - Condition Varies by Unit - Sold Individually ONLY A FEW UNITS AVAILABLE Factory-original H&K Heckler &...HKP-99299Now: $249.95Was: $349.95 -
On Sale
HK G36 (5.56/.223) 30 Round Magazine - LEO Marked - USED - BLEMISHED
H&K Heckler & Koch
Now: $119.95Was: $195.99H&K G36 (5.56/.223) 30 Round Magazine - LEO Marked - USED - BLEMISHED BROKEN COUPLERS AND LUGS - VARYING CONDITION SHOWN - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...HKP-22212-BNow: $119.95Was: $195.99 -
HK91, G3 Slimline Handguard - Jungle Green - New Old Stock
H&K Heckler & Koch
$39.95H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - New Old Stock These are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearmsHKP-22102$39.95 -
On Sale
HK MP5 Cocking Tube - Extrusion - 8" - Gunsmith Special
USA
Now: $19.95Was: $54.95HK MP5 8" Cocking Tube Extrusion - Gunsmith Special This 8" cocking tube extrusion is ideal for custom HK-style firearm builds, repairs, or refurbishments, providing a solid foundation for restoring or fabricating cocking tubes on HK MP5, G3, and...HKP-99061Now: $19.95Was: $54.95 -
On Sale
HK MP5SD Cocking Tube - Gunsmith Special
USA
Now: $29.95Was: $74.95HK MP5SD Cocking Tube - Gunsmith Special The MP5SD cocking tube is a crucial part of the firearm's operating system, designed to house the cocking handle assembly. This unit has been de-milled to allow clearance for the integrated suppressor...HKP-99059Now: $29.95Was: $74.95 -
Picatinny Optic Mount - Holosun 510C, HM3X Combo
Holosun
$599.95Holosun 510C & HM3X Combo - Optic & Magnifier The HS510C is a versatile open reflex optic designed for long gun applications. HS510C is at home on carbines, PCCs, and shotguns due its durable design. HS510C features and aluminum housing...HKP-21657$599.95 -
Out Of StockOn Sale
HK MP5, MP5K Optic Mount, Aimpoint ACRO - BLEMISHED
HKP HK Parts
Now: $71.95Was: $98.95HKP HK MP5/K Aimpoint ACRO P1 & P2 Sight - BLEMISHED INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK Parts now brings you one of the...HKP-21229-BNow: $71.95Was: $98.95 -
HK MP5, MP5K, G3 Night Sights
XS Sights
$159.95Trijicon Bright & Tough - Night Sights - H&K SP89, Carbines, Rifles Trijicon bright & tough night sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Housed in a metal...HKP-20325$159.95 -
On Sale
HK MP7 A2 Parts Kit
H&K Heckler & Koch
Now: $14,485.95Was: $18,535.95HK MP7 A2 Parts Kit - German HK Available for the first time ever! Get your hands on an updated HK German MP7 A2 parts kit. Each demilled kit is factory original, unfired, and ships in the factory packaging with manuals. Perfect for a...HKP-20050Now: $14,485.95Was: $18,535.95 -
On Sale
KDG HK MR556 10" M-LOK Rail System
KDG Kinetic Development Group
Now: $279.95Was: $374.95KDG HK MR556 10" M-LOK Rail System Direct-mount rail system designed to replace the factory HK MR556 handguard. Features a continuous monolithic Picatinny rail at the 12 o’clock position and M-LOK mounting slots at the 3, 6, and 9 o’clock...HKP-19246Now: $279.95Was: $374.95