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10/20/2017 1:01:18 AM
9/22/2017 12:11:25 AM
Posted: 9/4/2005 10:43:56 AM EDT
Can I fire the 5.56N ammo (reliably, in other words, was it meant for 5.56) from their RKT-100 16" M4 Rifle Kit? Are their uppers and lowers made by them or from someone else, if so, who?
Link Posted: 9/4/2005 1:48:57 PM EDT
If the barrel is marked 5.56, .223 and 5.56 is good. If it's marked .223, only use .223-marked ammo.

You can use practically any lower. Stag, Ameetec, Superior Arms(you're in Iowa, after all), RRA, Mega, Bushmaster, etc. Just stay away from anything marked Vulcan/Hesse for the lower and you'll be good to go.

Link Posted: 9/4/2005 2:26:04 PM EDT
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