Labor Day Sale
The HK Parts Labor Day Sale is live. Save up to 20% on select HK firearm parts, magazines, accessories, upgrades, and products from top brands. Get free shipping on qualifying orders of $250 or more. Limited quantities are available.
Free shipping applies to qualifying orders with a subtotal of $250 or more. All orders receiving free shipping will be shipped via USPS Standard. Exclusions may apply.
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On Sale
HK UMP Barrel - 9mm - Threaded with 3 Lug
Michaels Machines
Now: $494.96Was: $549.95HK UMP 9mm Barrel - Threaded - 3-Lug Specifications: 3Lug Threaded Compatible WiHKP-02278Now: $494.96Was: $549.95 -
On Sale
HK MP5 Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug
HKP HK Parts
Now: $224.96Was: $249.95HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug Newly manufactured US Made MP5 .40 S&W barrel that is 3-lugged and threaded with matching thread protector. This is a barrel offering that is made...HKP-16402Now: $224.96Was: $249.95 -
On Sale
HK MP5 Barrel - 9mm - Threaded 1/2x32 with 3 Lug
B&T Brugger & Thomet
Now: $404.96Was: $449.95B&T HK MP5 9mm Barrel - Threaded 1/2x32 - 3-Lug New from B&T Switzerland, this cold hammer-forged (CHF) and nitrided barrel is manufactured to exact HK factory specifications exclusively for MP5HKP-17956Now: $404.96Was: $449.95 -
On Sale
HK416, MR556 ARC-Fire Trigger - V2 with Mil-Spec Selectors - Ambi Controls
AS Designs / ST Inc
Now: $224.96Was: $249.95AS Designs V2 ARC-Fire Trigger for HK416 and MR556 with Mil-Spec Ambidextrous Selector Levers The ARC-Fire (Active Reset Clutch) trigger is an innovative trigger system designed to reset the trigger...HKP-22890-MNow: $224.96Was: $249.95 -
On Sale
HK91, G3 Telescopic Stock - 4 Position
MKE
Now: $466.16Was: $517.95MKE HK91 G3 4 Position Telescopic Stock Telescopic stock designed for HK91 and G3 platform rifles. Modified to provide four adjustable length-of-pull positions to customize fit...HKP-22712Now: $466.16Was: $517.95 -
On Sale
Ruger 10/22 Binary Trigger - Curved - BFSIII - BLEMISHED
FA Franklin Armory
Now: $164.99Was: $299.95Franklin Armory BFSIII 22-C1 for Ruger 10/22 - BLEMISHED DAMAGED PACKAGING - PRODUCT UNAFFECTED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN...HKP-19865-BNow: $164.99Was: $299.95 -
On Sale
HK VP9SK EDC Magwell - Ultra Low Profile
HKP HK Parts
Now: $35.67Was: $55.95HKP HK VP9SK EDC Magwell - Ultra Low Profile The smallest and most streamlined EDC magwell for the HK VP9SK, now featuring a fully functional funnel designed for rapid, seamless reloads. Crafted from...HKP-22263-MNow: $35.67Was: $55.95 -
On Sale
HK91, G3 Sniper Trigger Group - AC Unity Grip - Match Trigger
HKP HK Parts
Now: $411.09Was: $644.85HK Parts Trigger Group with AC Unity Grip and Match Trigger for HK91 and HK G3 The HK G3 and HK91 match trigger group combined with the AC Unity grip is a great choice for anyone seeking a tactical...HKP-22251Now: $411.09Was: $644.85 -
On Sale
HK UMP Magazine - 25 Round - .45 ACP - German LEO Markings - LIKE NEW
H&K Heckler & Koch
Now: $129.26Was: $229.95HK Heckler and Koch .45 ACP 25 Round Magazine for HK UMP - German LEO Markings - LIKE NEW Like-new PD trade in HK German UMP .45 cal 25 Round Factory Magazines. These magazines will fit all UMP...HKP-17917-BNow: $129.26Was: $229.95 -
On Sale
HK MP5 Cocking Tube - Extrusion - 8" - Gunsmith Special
USA
Now: $14.96Was: $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...HKP-99061Now: $14.96Was: $54.95 -
On Sale
HK MP5K Optic Mount
HKP HK Parts
Now: $62.44Was: $97.95HKP HK MP5K Optic Scope Rail The HKP optic scope rail is designed to be welded to the top of the receiver to provide a secure Picatinny optic mount for your MP5K. Includes sight mount to retain the...HKP-21852Now: $62.44Was: $97.95 -
On Sale
HK USC, UMP Receiver Optic Rail - USED
Now: $39.71Was: $95.00HK USC, UMP Receiver Optic Rail - USED HK USC, UMP top Receiver Rail with mounting hardware. Used in working condition. Includes: Rail 2 mountiHKP-19616-USEDNow: $39.71Was: $95.00