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 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 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 -
On Sale
HK G3 Metal Grip Frame - SEF - BLEMISHED
H&K Heckler & Koch
Now: $45.07Was: $189.95Heckler and Koch HK G3 SEF Metal Grip Frame - BLEMISHED VARYING CONDITION SHOWN IN PHOTOS - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL...HKP-99341Now: $45.07Was: $189.95 -
HK MP5 Recoil Rod Assembly
RCM
$54.95RCM HK MP5 Recoil Rod Assembly The recoil rod and spring assembly is a great item to have on hand for replacement and spares as this is a consumable part. Compatible With: HK MP5 NOT compatible with SP5 with the F-style recoil rod MP5 clones and custom...HKP-22202$54.95 -
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 -
HK G36K Handguard with Heat Shield
H&K Heckler & Koch
$68.95H&K G36K Handguard with Heat Shield Lightweight and durable design for improved heat management and reliable performance. Compatible With: G36KHKP-22010$68.95 -
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 -
HKP HK 416 .22 LR A5 Flash Hider
HKP HK Parts
$59.95HKP HK 416 .22 LR A5 Flash Hider Our HK Parts A5 flash hider is a directly mounted upgrade that will enhance the appearance of your 416 .22LR build, perfect for those aiming to achieve an authentic A5 style. It comes with an O-ring for secure attachment,...HKP-21575$59.95 -
Out Of Stock
HK416, HK417, MR556, MR762 Eyelet Sling Adapter
HKP HK Parts
$89.95HK MR556, MR762 Eyelet Sling Adapter for Carrying Sling Eyelet sling adapter for HK MR556 and MR762 platforms. Designed to match RAL8000 and tanodized handguards, this adapter installs at the front of the rail to provide a secure sling attachment...HKP-21064-M$89.95 -
On Sale
Muzzle Brake - Titanium 3 Port .30 Cal
Tactical Precision MFG
Now: $42.95Was: $84.99TPM - Titanium 3 Port Muzzle Brake .30 Cal This radially ported muzzle brake is for Ruger American and many other lightweight mountain rifles. Features: Weight:0.67 oz Material: Grade 5 titanium Color: Black Threading: 5/8x24HKP-20777Now: $42.95Was: $84.99