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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Out Of Stock
HK MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$199.95H&K MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Clipped & Pinned This clipped and pinned trigger housing is modified to fit MP5K or SP89 housings. It accommodates all HK German ambidextrous trigger packs and selector...HKP-00402$199.95 -
HK MP5 Parts Kit - Reverse Stretch Pistol - 9mm
HKP HK Parts
$1,679.95MP5 Reverse Stretch 9mm Pistol Build Kit Complete - German & USA Made Parts MP5-RS 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as a pistol,...HKP-17121$1,679.95 -
On Sale
M-LOK Bipod Mount
Magpul
Now: $19.95Was: $29.95Magpul M-LOK Bipod Mount The Magpul M-LOK Bipod Mount allows for the attachment of Harris®-style stud mounted bipods to M-LOK compatible hand guards and forends. The M-LOK Bipod Mount offers a low-profile, robust, and elegant mounting solution for...HKP-17269Now: $19.95Was: $29.95 -
Out Of Stock
MLOK LINK Rail Section - 7 Slots - QD
Strike Industries
$25.95Strike Industries M-LOK & Key Mod Universal Rail - 7 Slots Strike Industries LINK attachment system takes the age old question Key-Mod vs. M-LOK and came up with the ultimate solution, a dual interface design compatible with both M-LOK and Key-Mod,...HKP-17594$25.95 -
Out Of Stock
HK MP5 SEF F/A Trigger Group- SEF Contoured
H&K Heckler & Koch
$0.00H&K MP5 SEF F/A Trigger Group- SEF Contoured Ready to install on your HK push pin swing-down receivers. New German HK trigger housing and selector lever. Used hand-picked trigger pack.HKP-02239$0.00 -
Out Of Stock
HKP ACE Adapter for MP5K, SP89 & SP5K
HKP HK Parts
$54.95ACE Adapter for MP5K, SP89 & SP5K Each ACE adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct "H" buffers to protect your expensive firearm. This is the finest ACE adapter...HKP-18505$54.95 -
HK MP5SD Apparel - Hats, Patches, and Shirts
HKP HK Parts
$0.00HKP HK MP5SD Apparel and Patch Collection Represent your platform with the HK Parts MP5SD Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...HKP-22457-M$0.00 -
HK G3, HK33, HK93 Bayonet with Scabbard - NOS
H&K Heckler & Koch
$227.95HK G3, HK33, HK93 Bayonet with Scabbard - New Old Stock Genuine German HK military surplus bayonet in original wrap. These are the 12-groove version of the popular military bayonet. Scabbard is included. Compatible With: HK G3 HK91 HK33 HK93HKP-22366$227.95 -
HK416 A5, MR556 A3 Barrel Nut
Nefarious Arms
$39.95Nefarious Arms HK MR556 A3/416 A5 Barrel Nut Whether replacing a barrel nut or sourcing the best parts for your build, the Nefarious MR556/416 barrel nut is an excellent option. Meticulously crafted in the US to the highest quality standards...HKP-22082$39.95 -
Out Of StockOn Sale
Thread Protector - .45 ACP - 16x1 LH - Titanium
HKP HK Parts
Now: $11.95Was: $23.95HKP .45 ACP Titanium Thread Protector - Threaded 16x1 LH US-made thread protector for firearms chambered in .45 ACP, threaded 16x1 left hand. Compatible With: HK UMP, USC HK45, HK45T HK45C, HK45CT HK USP 45, USPT 45 HK USPC 45, USPCT 45 B&T...HKP-22036Now: $11.95Was: $23.95 -
AR, M4 Magazine - TMAG Gen 3 - 20 Round - Translucent OD Green
Magpul
$24.95Magpul AR/M4 TMAG® 20 Round GEN M3™ Magazine - Translucent OD Green US-made translucent 20 round magazine optimized for AR/M4 platforms, but modified to permit operation with other 5.56 and .223 STANAG-compatible rifles. Specifications: Made...HKP-22035$24.95 -
Picatinny Optic Mount - 39mm - Skeleton Mount - Aimpoint ACRO
B&T Brugger & Thomet
$150.00B&T 39mm QD Skeleton Mount for Aimpoint ACRO The B&T QD "Skeleton" mount for Aimpoint® Acro offers a 39mm elevated profile for improved sight alignment, ideal for night vision setups requiring clearance over forward-mounted IR devices. Its...HKP-21730-M$150.00