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AR15 (20) round magazine

by BarCamel Jan 19, 2019
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Where'd you get your spring from?

Brownells sells the springs, but I scavenged one from an old pmag.

how many rounds does this hold?

Depends on what you put in it. 556/223 its 20. In 450 Bushmaster or 50 Beowulf, it's 8.