HK MR556/416 Series
Our extensive collection boasts a wide array of HK MR556 and HK 416 parts, including precision HK MR556 Barrels and durable HK 416 Stocks. Elevate your rifle's functionality with HK 416 Handguards and HK MR556 Triggers, designed for the discerning shooter seeking top-tier performance.
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Out Of Stock
H&K MR556 & HK416 (5.56x45/.223) Upper Conversion Kit - Threaded 1/2x28
HKP HK Parts
$699.95H&K MR556 & HK416 (5.56x45/.223) Upper Conversion Kit - Threaded 1/2x28 Finally an answer for all of those that have been wanting a 14.5" upper for an HK416 or MR556. This conversion kit adds an upper or a barrel option for your MR556, CR556...HKP-17877$699.95 -
Out Of Stock
H&K MR556/416 Extended Windowed Handguard - RAL 8K
H&K Heckler & Koch
$0.00HK416A5, MR556 Extended Windowed Handguard - RAL 8000 HK German HK416A5 Extended forearm with window for use of the suppressed/non-suppressed gas block. This handguard is designed to minimize mirage and the utmost in performance. 14 7/8" long overall 1...HKP-17711$0.00 -
Out Of Stock
HKP HK 416 A5 Style Trigger Guard - MR556/416/MR762/417 - RAL 8K
HKP HK Parts
$39.95HKP HK 416 A5 Style Trigger Guard - MR556/416/MR762/417 - RAL 8K Compatible With: MR556 & 416 MR762 & 417HKP-17832$39.95 -
Out Of Stock
HKP HK G3K/33K (5.56/.223) & (7.62x51/.308) Extended 4 Prong Flash Hider - Threaded 15x1 RH
HKP HK Parts
$79.95HKP HK G3K/33K (5.56/.223) & (7.62x51/.308) Extended 4 Prong Flash Hider - Threaded 15x1 RH This fits any threaded 15x1 RH HK barrel. The overall length is 4.37 inches. These are the perfect length of the G3K and HK33K style builds as they will yield...HKP-00501$79.95 -
Out Of Stock
HKP HK MR556/416 10.4" 5.56 Barrel
HKP HK Parts
$369.95MR556 & HK416 Barrel - 10.4"- US Made Finally an answer for all of those that have been wanting a 10.4" 416 or MR556 barrel option for your MR556, CR556 & HK 416's. Each barrel is as close as you can get for those that want a HK 416 style upper...HKP-18200$369.95 -
Out Of Stock
HKP HK MR556/416 9" HK416C Style Barrel Conversion Kit
HKP HK Parts
$0.00MR556 & HK416 Barrel Conversion Kit - 9" - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 9" barrel conversion kit for 416 or MR556. Each conversion kit upper or barrel...HKP-18401$0.00 -
Out Of Stock
HKP HK MR556/416 DMR Extended 15" M-LOK Handguard - Black
HKP HK Parts
$249.95HK MR556 & HK416 Extended DMR 15" Handguard - M-LOK A drop on replacement forearm for the HK MR556 and HK 416. A perfect upgrade for your HK rifle. This rail also provides an additional 6" of rail length for more flexibility and great control.HKP-18019$249.95 -
Out Of Stock
HKP HK MR556/416 DMR Extended 15" Quad Rail - Black
HKP HK Parts
$259.95HK MR556 & HK416 DMR Length 15" Quad Rail - ExtendedHKP-18018$259.95 -
HKP HK MR556/416 Extractor Spring Buffer
HKP HK Parts
$5.39HKP HK MR556/416 Extractor Spring Buffer This buffer fits inside the extractor spring in the extractor pocked of the bolt. This item is a high wear item and a spare would be highly advised. Compatible With: HK MR556 & HK416 FirearmsHKP-21604$5.39 -
Out Of Stock
HKP HK MR556/416 Titanium Firing Pin Catch
HKP HK Parts
$49.95HK MR556 & HK416 Firing Pin - TitaniumGrade 6 weapons grade Titanium manufacture. Made 100% in the USA A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK MR556 & HK 416 weapon system. Get the...HKP-17767$49.95 -
Out Of Stock
HKP HK MR556/416 Upper 9" 416C Style Conversion Kit
HKP HK Parts
$899.95MR556 & HK416 Upper Conversion Kit - 9" - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 9" barrel conversion kit for 416 or MR556. Each conversion kit upper or barrel...HKP-18674$899.95 -
HKP Short KeyMod Quad Rail - Black
HKP HK Parts
$199.95MR556/416 KeyMod Qaud Rail - ShortHKP-17985$199.95 -
KDG HK MR556 13.75" M-LOK Rail System - Black
KDG Kinetic Development Group
$399.95Rail System - 13.75? - Black - M-LOK - HK MR556 The New KDG HK 556 M-LOK rails are direct mount rail system, replacing the factory HK 556 rail systems. These new rails are identical in design to their big brother, the KDG HK 762 M-LOK Rail system. Like...HKP-19244$399.95 -
Magpul Moe K2 XL AR Grip
Magpul
$22.95Magpul Moe K2 XL AR Grip Designed for shooters with larger hands, the K2-XL Grip is similar to the MOE-K2 Grip – AR15/M4 but nearly 25% bigger. A drop-in upgrade for the AR15/M4, it offers a more vertical grip angle thereby improving comfort...HKP-21554$22.95 -
Strike Industries HK 416 - 9" Full Duty Handguard
Strike Industries
$318.95Strike Industries HK 416 - 9" Handguard - Gridlok Full Duty The Strike Industries GRIDLOK® Rail for 416 gives you a primary, a secondary or multiple setup options as a quick and direct handguard swap. The GRIDLOK® Rail for 416 has the SI patent...HKP-21312$318.95 -
Strike Industries HK 416 - 9" Light Speed Handguard
Strike Industries
$318.95Strike Industries HK 416 - 9" Handguard - Gridlok - Light Speed The Strike Industries GRIDLOK® Rail for 416 gives you a primary, a secondary or multiple setup options as a quick and direct handguard swap. The GRIDLOK® Rail for 416 has the SI...HKP-21313$318.95 -
On Sale
SureFire Procomp (5.56/223) Muzzle Brake - Threaded 1/2x28
Surefire
Now: $84.95Was: $109.95SureFire Procomp (5.56/223) Muzzle Brake - Threaded 1/2x28 The advanced SureFire ProComp 556 muzzle brake fits M4/M16 weapons and variants with 1/2x28 muzzle threads. It significantly reduces both recoil impulse and muzzle rise, allowing the weapon to...HKP-19666Now: $84.95Was: $109.95 -
Magpul PMAG D-60 60 Round AR-15 5.56/.223 Drum Magazine
Magpul
$135.95Magpul PMAG D-60 60 Round AR-15 5.56/.223 Drum Magazine The PMAG D60 is a durable, lightweight, highly reliable 60-round 5.56x45 NATO/.223 Remington polymer drum magazine for AR15/M4 compatible weapons. The unique drum configuration keeps the height of...HKP-18006$135.95