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3:06
YouTube
Brownells, Inc.
Quick Tip: Using .300 Blackout Mags in a 5.56 / .223 Rifle
Scenario: You own AR-15s both in the standard 5.56 NATO chambering and in .300 Blackout. You get to the range one day with your 5.56 rifle and discover - oh no! - you accidentally grabbed your 300 BLK magazines. You don't want to drive all the way home if you don't have to. The .300 Blackout cartridge uses a 5.56 NATO case necked up to hold a ...
231K views
Feb 2, 2022
ArmaLite AR-15 AR-15 Shooting
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Smyth Busters: What Does the "AR" in AR-15 Stand For?
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Brownells, Inc.
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Quick Tip: Converting a 5.56 AR-15 to 9mm
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Brownells, Inc.
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Brownells, Inc.
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Brownells, Inc.
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Preparing the Magazine Well
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