How to Install a Magazine Catch on AR Rifles

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Ready to build your own AR Rifle from scratch?! Today it's installing your AR-15 or AR-Style Magazine Catch... in under 5-Minutes! We build thousands of AR's every year here at AT3 Tactical. We've picked up a trick or two for building AR's that we're sharing with you. Here's to your next build!

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*Ultimate AR-15 Beginner's Guide*
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*Complete AR-10 Builder's Guide*
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