H&K Heckler & Koch

HK416 A4, MR556 A5 Barrel Nut

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SKU:
HKP-21938
MPN:
50236304
Condition:
New
  • New - H&K HK MR556/HK 416 A4/A5 Barrel Nut - HKP-21938
  • HK416 A4, MR556 A5 Barrel Nut
  • HK416 A4, MR556 A5 Barrel Nut
$60.95

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Description

H&K HK MR556 A4/HK416A5 Barrel Nut

This precision-machined steel barrel nut is designed specifically for H&K’s MR556 A4 and HK416A5 rifles. It secures the barrel and supports the proprietary HK free-floating handguard system, offering robust alignment and durability for piston-driven platforms.

Compatible With:

  • HK MR556 A4
  • HK416A5
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Warranty Information

6/26/25-BF: Available from HK. Corrected cost and sell price Made from purchased Upper kits from Top Roof.
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Additional Information

Firearm Model:
HK416A5
Firearm Model:
MR556 A4
Color:
Black
Caliber:
5.56 / .223
Origin:
Germany
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