On Sale
Description
H&K HK MR556 A4/HK 416 A5 Barrel Nut
This precision-machined steel barrel nut is designed specifically for H&K’s MR556 A4 and HK416 A5 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
- HK 416 A5
Additional Information
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FIREARM MODEL(S):
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, HK MR556
, HK 416
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CALIBER:
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5.56 / .223
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COLOR:
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Black
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ORIGIN:
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Germany
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