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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HK MR556 A4 Upper, Complete - Full Auto and Ejection Door
H&K Heckler & Koch
$845.95HK Heckler and Koch A4 Complete Upper with Full Auto Ejection Door for HK MR556 The HK MR556 A4 Complete Upper is a superior factory assembly that comes fully equipped with a forward assist and an...HKP-21929$845.95 -
HK MR762, MR556 Buttstock Release Lever Insert Spring
H&K Heckler & Koch
$9.99H&K HK MR762/MR556 Buttstock Release Lever Insert Spring Compatible With: HK MR556HKP-16611$9.99 -
Out Of Stock
HK MP5, HK416 Sling Swivel
HKP HK Parts
$34.95HK 416/MP5 Sling Swivel Sling swivel for the Walther 416 and MP5 .22 rifles. This will attach to the quad rail on the 416 to give you an attachment point for a 2 point sling. May also be used with...HKP-16318$34.95 -
Out Of StockOn Sale
HK German Grip - Vertical - Black - BLEMISHED
H&K Heckler & Koch
Now: $63.71Was: $99.95HK German Vertical Grip - Black - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Each HK...HKP-00034-BNow: $63.71Was: $99.95 -
On Sale
HK416 Upper Receiver Assembly - 14.5" Barrel - OTB - Unfired
H&K Heckler & Koch
Now: $9,999.95Was: $14,499.95Heckler and Koch Unfired "BF" Date Coded HK Factory German 416 14.5" Upper Kit No FFL is required. This upper assembly is only considered a part. This is a rare offering. All NFA rules apply - Check...HKP-02095Now: $9,999.95Was: $14,499.95 -
Out Of Stock
HK416, MR556 Assembly Wrench Tool
H&K Heckler & Koch
$699.95Heckler and Koch HK 416 and HK MR556 Assembly Wrench Tool Factory HK German multi-tool for the HK416 and MR556. The perfect tool for a complete breakdown.HKP-20616$699.95 -
HK MR556, MR762 Fixed Tactical Sling Adapter
H&K Heckler & Koch
$86.95HK MR556 & MR762 Factory Sling Adapter - Fixed Factory HK German design & the finest design available & made to last. New HK manufactured part to allow the factory HK416, MR762 slings to fit & work...HKP-17553$86.95 -
Out Of Stock
HK416, MR556 Upper 8" 416C Style Conversion Kit
HKP HK Parts
$1,285.95Upper Conversion Kit for HK416 and MR556 8 inch barrel - 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 8" barrel...HKP-18629$1,285.95 -
HK416, MR556 ARC-Fire Mil-Spec Selector - V2 - Long Ambi
AS Designs
$12.95AS Designs V2 Long Ambidextrous Mil-Spec Selector Lever for HK416 and MR556 ARC-FIRE Triggers Replacement long ambidextrous mil-spec selector lever for AS Designs V2 ARC-FIRE trigger systems. ReplaHKP-22809$12.95 -
HK416, MR556 ARC-Fire Trigger - V2 - Non-Ambi Kit - 0° - 90° - 180°
AS Designs
$199.95AS Designs V2 ARC-Fire Non-Ambidextrous Trigger Kit for HK416 and MR556 with 0°-90°-180° Selector Configuration The AS Designs ARC-Fire V2 is a patent-pending Active Reset Clutch (ARC) trigger system...HKP-22808$199.95 -
HK416, MR556 A4 Hammer Washer
H&K Heckler & Koch
$58.95Heckler and Koch Hammer Washer for HK MR556 OEM hammer washer for HK MR556 and HK416 rifles. Factory-spec replacement washer for the hammer assembly, ideal for repairs, rebuilds, or returning rifles...HKP-22434$58.95 -
HK416, MR556 Pistol Grip - Walnut
JMK
$78.95JMK HK416, MR556 pistol grip - Walnut The pistol grip by JMK is made from CNC-machined black walnut. After machining, the grip is dyed to ensure a uniform color and is finished with a catalyzed satin...HKP-22400-M$78.95