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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HK416, MR556 Upper Gas Block for 10.4" Barrels - Vented
H&K Heckler & Koch
$167.95H&K Heckler and Koch Complete Vented Upper Gas Block for HK MR556 and HK416 10.4" Barrels New HK German manufacture newest "VENTED" version direct from HK Germany. Great upgrade part for existing 10.4" uppers that have the older style non-vented gas...HKP-18056$167.95 -
HK MP5K, SP89, SP5K Binary Trigger Group - 9mm
Magpul / FA Franklin Armory
$889.95 - $919.95Magpul SL HK MP5K - Binary Trigger Group Perfect for those seeking a binary option combined with the comfort of a Magpul housing. We've paired a Magpul SL housing with our compatible binary selector levers and completed it with a Franklin Armory trigger...HKP-21408-M$889.95 - $919.95 -
HK33, HK93, HK91, G3 Triple Frame Front Sight Tower - Sight Blade
H&K Heckler & Koch
$14.95HK German Front Sight Tower Triple Frame- Used Surplus Used G3 triple frame in Good shape. Just needs a good refinishing. Comes complete with sight blade and roll pin installed. Used surplus pulled from HK German demilled G3's Comaptible With: HK 91 HK...HKP-16734$14.95 -
HK MP5, HK416 Barrel - .22LR - 16.1"
RCM
$199.95RCM .22LR Rifle Barrel for HK MP5 and HK416 This is the first and only offering of a replacement barrel for the HK .22LR platforms. Replacing the barrel previously required sending the receiver to H&K and having the assembly...HKP-21407$199.95 -
On Sale
FS1913 Stabilizing Brace - Folding
SB Tactical
Now: $207.95Was: $260.99SB Tactical FS1913 Folding Pistol Stabilizing Brace A low-profile, left side-folding, strut design compatible with all platforms utilizing an M1913 interface at the rear of the receiver. The FS1913 is a complete assembly offering pull-through opening and...HKP-19132Now: $207.95Was: $260.99 -
HK416, MR556, HK417, MR762 Detent Takedown Pin
H&K Heckler & Koch
$9.95Heckler and Koch HK417, HK MR556, HK417, HK MR762 Detent Takedown Pin Factory H&K takedown pin for MR556 A4. Compatible With: HK416, MR556 HK417, MR762HKP-02540$9.95 -
HK Lower Housing Clipping and Pinning Service - Polymer
HKP HK Parts
$99.95HK Clipped & Pinned Service - For Polymer Grip Frames We will clip and pin any "push pin" plastic housing for $99.95 each plus return shipping via USPS priority mail. Our technicians can perform the service on a customer supplied grip or we can clip...HKP-00923$99.95 -
HK MP5 Handguard - M-LOK - Extended Length
UTG PRO
$197.95 - $245.95UTG HK MP5 PRO Monolithic M-LOK Handguard - Extended Length The UTG PRO extended monolithic M-LOK handguard builds on the original with added real estate out front for mounting accessories. Where the original stops before the front sight,...HKP-21673-M$197.95 - $245.95 -
B&T APC Magazine - 30 Round - 9mm - Translucent - KCI
KCI
$44.95Korean 30 Round B&T APC 9mm Magazine - KCI USA Features: Brand new factory fresh, individually sealed magazine 30 round capacity 9mm caliber Great for plinking and range sessions Affordable Made in South Korea For the money this magazine is...HKP-20293$44.95 -
Out Of Stock
HK417, MR762, G28 Adjustable Buttstock Set
H&K Heckler & Koch
$599.95HK G28 Fully Adjustable Stock For The MR762 & HK 417, G28 The hard to find elusive HK G28 adjustable stock kit complete with the upgraded parts needed to convert a stock MR762 or HK417 to allow this stock system to be used. HK German manufacture and...HKP-16761$599.95 -
HK UMP, USC Barrel - Flanged - .45 ACP - 8"
HDPS
$329.95HDPS HK UMP 45 ACP 8 Inch Barrel - Flanged HDPS UMP barrels are perfect for the USC to UMP conversions and for a replacement UMP .45 barrel. Each barrel is an exact reproduction with all HK German specs. As a bonus, this item counts as 1 of the 3...HKP-02130$329.95 -
HK416, MR556, HK417, MR762 Takedown Pin - Rear - A1 Style
H&K Heckler & Koch
$79.95H&K HK MR556/MR762/416/417 Rear Lower Receiver Locking Pin This is the rear takedown pin with ball detent and locking mechanism installed. The idea behind this type of system is to decrease the movement of the upper and lower receivers and improve...HKP-02672$79.95