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Page Armory » Sig Rifles
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Archived [ARCHIVED THREAD] - Sig 551-2 barrel question
Posted: 4/7/2017 10:18:24 PM EDT
Is a true Swiss 14.3 barrel from a SIG 551-2 rated for 556 even though it's marked 223 ?

TIA

Link Posted: 4/8/2017 12:11:10 AM EDT
[#1]
Quoted:
Is a true Swiss 14.3 barrel from a SIG 551-2 rated for 556 even though it's marked 223 ?

TIA
View Quote


Yes. While marked 223, they are 5.56 Chambers.

Link Posted: 4/8/2017 12:28:30 AM EDT
[#2]
This.
5.56mm NATO all the way.

Archived [ARCHIVED THREAD] - Sig 551-2 barrel question
Page Armory » Sig Rifles
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