HK416 / MR556 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
HK416 A5, MR556 A4 Gas Block Spring
H&K Heckler & Koch
$19.95HK Heckler and Koch HK416 A5, MR556 A4 Gas Block Spring German-made gas block spring for the HK MR556 A4 and HK416 A5. Compatible With: MR556 A4 HK416 A5HKP-22060$19.95 -
On Sale
HK416, MR556, AR-15 Stock - MOE - MIL Spec
Magpul
Now: $40.95Was: $44.95Magpul MOE Stock MIL SPEC Magpul Industries MOE Carbine Black Stock Complete - MIL Spec Compatible With: MR556 & HK 416 equipped with mil-spec buffer tubes AR-15 platforms with mil-spec buffer tubesHKP-19393Now: $40.95Was: $44.95 -
On Sale
HK416, MR556 Hammer, Complete - Semi Auto
H&K Heckler & Koch
Now: $97.95Was: $107.95H&K HK416, MR556 Semi-Auto Hammer - Complete Genuine German complete hammer and spring assembly. Includes: Semi-auto hammer Hammer spring Side bushing Compatible With: MR556A1 MR556 A4 HK416 AR-15 AR-15 style semi-auto firearms chambered in...HKP-02673Now: $97.95Was: $107.95 -
On Sale
Picatinny Riser Mount - Super Slim - 4 Slots - BLEMISHED
Other
Now: $26.21Was: $49.95Super Slim Picatinny Riser Mount - 4 Slots - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The slim Picatinny riser mount is offered in two clamp...HKP-99229-MNow: $26.21Was: $49.95 -
On Sale
HK416, HK417, MR556, MR762 Long Disconnector Spring
H&K Heckler & Koch
Now: $8.95Was: $9.95H&K HK MR556/MR762/416/417 Long Disconnector Spring HK German manufactured disconnector spring. This is the longer of the 2 springs found in the trigger/sear assembly. Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-16774Now: $8.95Was: $9.95 -
HK416, MR556 Barrel - 5.56 / .223 - 10.4" - Threaded 1/2x28
HKP HK Parts
$369.95MR556 & HK416 Barrel - 10.4"- US Made - Threaded 1/2x28 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...HKP-18200$369.95 -
On Sale
HK416, MR556, HK417, MR762 Eyelet Sling Adapter - RAL8000
H&K Heckler & Koch
Now: $149.95Was: $165.99Heckler and Koch HK416, MR556, HK417, MR762 Eyelet Sling Adapter - RAL 8K New German HK Factory Eyelet Sling Adapter for Carrying Slings. Compatible With: HK416, MR556 HK417, MR762 HK G28HKP-18855Now: $149.95Was: $165.99 -
On Sale
HK416, MR556, HK417, MR762 Pistol Grip - Tool Included
H&K Heckler & Koch
Now: $143.95Was: $159.95HK Heckler and Koch's Pistol Grip with tool - Black Factory German pistol grip in black. Compatible With: HK416, MR556 HK417, MR762 M27 G28 AR-15, M4, & M16 PlatformsHKP-22208Now: $143.95Was: $159.95 -
Out Of Stock
RMR, SRO Adapter - 45° - Rail Offset
Trijicon
$91.45Trijicon RMR/SRO 45° Rail Offset Adapter Perfect for that situation where you need the versatility of a magnified optic paired with a Trijicon RMR or SRO red dot sight in close quarters. This offset rail adapter attaches to the firearm's picatinny...HKP-20336$91.45 -
HK416, MR556 Rail System - 10.5" - Super Modular - FDE
Geissele
$499.95Geissele HK416, MR556 10.5" Modular Rail - Desert Dirt Color (DDC) 9.7 " Extended HK 416 free float rail for use with all HK 416 & MR556 uppers.Please note: On the HK416 models the sling attachment point on the gas block will need to be...HKP-16460$499.95 -
On Sale
HK416, MR556, MR762 Spring Lock Bolt
H&K Heckler & Koch
Now: $8.95Was: $9.99H&K HK MR556/MR762/416 Spring Lock Bolt Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-16848Now: $8.95Was: $9.99 -
On Sale
Compact Vertical Foregrip with Hand stop - M-LOK
JMK
$80.95 - $88.95Compact Vertical Foregrip with Hand stop - M-LOK The JMK Vertical Foregrips are ideally suited for applications with restricted space. Equipped with a rapid, straightforward M-LOK attachment system, it can be mounted on any configuration with an M-LOK...HKP-22406-M$80.95 - $88.95