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 Roller Retainer Pin - New Style
H&K Heckler & Koch
$6.95HK Roller Retainer Pin, Clamping Sleeve- New Style This part works with all roller retainer plates and springs. HK started this change of roller retainer pins starting in all 2011-produced bolt...HKP-01954$6.95 -
Out Of Stock
HK MP5K Locking Piece #28 - 80 Degree
RCM
$39.95RCM HK MP5K/N/PDW # 28 Locking Piece 80 Degree This part is used in conjunction with a suppressor and 147-grain or heavier ammunition. This item is made 100% here in the US from enhanced steel and...HKP-02190$39.95 -
HK MP5 Replacement Buffer - Folding Stock or End Cap
HKP HK Parts
$3.49HKP MP5 Replacement Buffer for Folding Stock or End Cap Spare replacement buffer for choate folding stocks or end caps. Compatible With: ChoateHKP-18735-M$3.49 -
HK416 Pistol Brace and Stock Adapter - AR-15 Style - .22LR
HKP HK Parts
$34.95HKP HK 416 Pistol Brace Adapter/AR .22LR Stock Adapter Specifications: Made in the USA Easy to install no gunsmithing requiredHKP-17442-M$34.95 -
HK MP5 .22 Magazine Spring - 25 Round
HKP HK Parts
$3.9525 Round HK MP5 .22 Magazine Spring A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. Please note: This spring can be...HKP-02786$3.95 -
Out Of Stock
HK MP5, HK416 Barrel Adapter - .22LR - Converts Thread 8x.75 to 1/2x28
USA
$29.95HK/Walther/Colt .22LR Threaded Barrel Adapter - Converts 8x.75 To 1/2x28 This custom adapter allows you to easily convert your .22LR barrel from 8x.75 to 1/2x28 threads. It replaces the stock flash...HKP-01845$29.95 -
HK MP5, SP5 Stabilizing Pistol Brace
SB Tactical
$265.95SB Tactical HK MP5, HK SP5 Retractable Pistol Stabilizing Brace - Black The HK MP5 and HK SP5 pistol stabilizing brace is 3-position fully adjustable pistol brace and is comprised of a billeted...HKP-19161$265.95 -
Out Of Stock
HK417, MR762 Magazine - 20 Round
H&K Heckler & Koch
$69.95Heckler and Koch HK MR762 and HK417 - 20 Round Magazine This is the factory OEM magazine for the new HK 7.62 X 51mm rifles. It is the highest magazine capacity available for the HK MR762 and HK417...HKP-01700$69.95 -
M-LOK Vertical Foregrip - Short
HKP HK Parts
$24.95HKP Universal M-LOK Short Grip Short vertical grip for M-LOK. This grip is by far the nicest shorter style or stubby grip we have encountered for the money. This rock solid grip is a must have for...HKP-20681$24.95 -
HK MP5 Handguard - MLOK
MI Midwest Industries
$144.95MI MP5 M-LOK Forearm Compatible professional grade one piece design Simple installation, include all tools Mil-spec top rail. Features 15 full and 5 half M-LOK slots. Features two anti-rotation QD...HKP-18472$144.95 -
HK MP5 .22LR Match Trigger Upgrade Spring Kit
HKP HK Parts
$17.49H&K MP5 .22 Match Trigger Spring Kit - Set of 3 Enhanced Springs The HK Parts Match drop-in spring upgrade set will enhance your MP5-22's trigger pull to an even smooth, crisp, and lighter pull that...HKP-17335$17.49 -
HK MP5 .22 Dual Magazine Clamp
HKP HK Parts
$32.95HK MP5 .22 Dual Mag Clamp/Coupler The MP5 .22 magazine grip or dual magazine clamp. Fits all MP5 .22 magazines. Holds two magazines together for ease of use and easy access to 2 magazines. This is...HKP-20856-M$32.95