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
Pistol Stabilizing Brace - SBA4
SB Tactical
Now: $112.50Was: $124.99SB Tactical SBA4 Pistol Stabilizing Brace Designed for all platforms capable of accepting a mil-spec carbine receiver extension. The SBA4 is 5-position adjustable and features an integral,...HKP-19927Now: $112.50Was: $124.99 -
On Sale
HK P30 Magwell - EDC
HKP HK Parts
$38.22 - $59.95EDC Tactical Magwell - HK P30 - Magwell Our EDC magwell was redesigned for a much faster and reliable mag reloads. With a increased funnel area, the EDC magwell consistently guides you to the correct...HKP-21429-M$38.22 - $59.95 -
On Sale
HK MP5, HK416 Barrel - .22LR - 8.5" - Threaded 8x.75
RCM
Now: $183.96Was: $229.95RCM HK MP5 / 416 .22LR Pistol Barrel The first and only replacement barrel for the HK .22LR platforms—this is a game-changer! Previously, replacing the barrel meant the hassle of sending the receiver...HKP-21403Now: $183.96Was: $229.95 -
On Sale
HK45 Magazine with Extension - 15 Round
HKP HK Parts / Heckler & Koch
Now: $102.56Was: $113.95HKP HK Parts and Heckler and Koch 15 Round Magazine for HK45 HK45 and HK45 tactical +5 magazine extension coupled with a new HK German 10 round HK45 magazine. Each unit is then fully assembled as a...HKP-20788Now: $102.56Was: $113.95 -
On Sale
HK MP5, MP5K, AP5-P Optic Mount - Picatinny
MKE
Now: $39.97Was: $49.95MKE HK MP5K, AP5P OEM Picatinny Optic Rail MKE Picatinny optic rail for the MP5K platform. OEM part for the Century AP5-P and AP5-M. This rail is the K specific length but is compatible with full...HKP-22334Now: $39.97Was: $49.95 -
On Sale
HK MP5 Handguard - Wide
AC-Unity
Now: $17.06Was: $18.95AC-Unity HK MP5 Wide Handguard Made by AC-Unity with advanced, German made polymer-resin/granulate that is both lightweight and shock/UV resistant. This state of the art polymer is formulated to...HKP-21637Now: $17.06Was: $18.95 -
On Sale
HK USP Compact Straight Trigger
Grayguns
Now: $78.38Was: $95.00Grayguns HK USP Compact Straight Trigger Designed by Keith Hosey, Grayguns’ director of gunsmithing, the HK USPC Straight Trigger is a first-of-its-kind. The trigger reduces over-travel while...HKP-21073Now: $78.38Was: $95.00 -
On Sale
HK51, PTR PDW Backplate With Recoil Rod
PTR
Now: $82.46Was: $149.95HK51, PTR PDW Backplate With Recoil Rod Each unit has been built with new HK parts and painted HK black, ready for use. The PTR PDW is the collapsible recoil-style assembly designed for use on...HKP-02665Now: $82.46Was: $149.95 -
On Sale
Thread Protector - 9mm, 5.56 / .223 - 1/2x28 RH
HKP HK Parts
Now: $11.96Was: $14.95HKP (9mm) Thread Protector For Barrels - Threaded 1/2x28 A must-have accessory to safeguard the threads on your threaded barrel, this thread protector is the finest available. It is the standard...HKP-02646Now: $11.96Was: $14.95 -
On Sale
HK45 +5 Magazine Extension Kit
HKP HK Parts
Now: $41.41Was: $64.95HKP HK45 +5 Magazine Extension Kit HK Parts magazine extension +5 kit adds 5 additional rounds to the HK45 magazine with the simple swap of the floor plate & high-reliability mag spring. HKP highly...HKP-20809-MNow: $41.41Was: $64.95 -
On Sale
HK MP5, SP5K Extractor - 9mm
MKE
Now: $15.96Was: $19.95MKE HK MP5/K 9mm Extractor Keep your MP5 or MP5K running strong with this MKE 9mm extractor. Perfect for replacing a worn part or completing a build, it’s made to HK specs for smooth, reliable...HKP-21919Now: $15.96Was: $19.95 -
On Sale
HK USP International Holster - Comp Carry
Comp-Tac
$71.97 - $89.95Comp-Tac HK USP International Comp Carry Holster The International Holster is an outside-the-waistband holster with a modular mounting design, giving the user 16 holster options in 1. Designed to be...HKP-21121-M$71.97 - $89.95