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Darryl F. asked 6 years ago:
3 answers
check the page this one also fits the MR 556 https://hkparts.net/product/hk-416-gas-block-for-14-5-16-barrels-p1544.htm
Randy I.
6 years ago
Darryl, This factory new, genuine OEM HK416 adjustable vented gas block is compatible with the 14.5, 16, or 20-inch barreled HK416 & MR556 variants - https://hurricane-butterfly.net/product/heckler-and-koch-hk416-adjustable-unvented-gas-block-factory-new-for-14-5-16-barrels/
James G.
6 years ago
check the page this one also fits the MR 556 https://hkparts.net/product/hk-416-gas-block-for-14-5-16-barrels-p1544.htm
Randy I.
6 years ago
