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AR Platform Resources

Sanders Armory AR-16 Barrel Length Guide, 16" vs. 18" vs. 20"

How to Choose an AR-15 Barrel Length: 16 vs. 18 vs. 20 Inches

Compare 16, 18 and 20-inch AR-15 barrel lengths and learn how caliber, velocity, handling, twist rate and intended use affect your choice.

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