2024年5月1日 · For a Colt AR-15, it is recommended to use .223 Remington or 5.56 NATO ammunition for optimal performance. What is the difference between .223 Remington and 5.56 NATO ammunition? The main difference is in the pressure, with 5.56 NATO having higher pressure than .223 Remington.

2024年5月5日 · Yes, it is generally safe to shoot 5.56 NATO ammunition in a .223 chamber, as long as the rifle is properly maintained. 3. Can I shoot 5.56 in a .223 Wylde barrel?

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Colt Defense MPS-B Semi-Automatic AR-15 Rifle 16" Barrel .223/5.56 30rd W/ Magpul Furniture - CR6920MPS-B

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2024年8月21日 · Discover the best .223 and 5.56 ammo for your AR-15 with our buyer's guide. Find top picks and expert advice. Shop now at GunMann.

2024年8月7日 · From twist rate to the debate between steel and brass, as well as deciphering the significance of “XM” and “M”, we’ve got you covered, along with our recommendations for the top 5.56 ammo choices for your AR. .223 Remington Vs. 5.56 NATO Vs. .223 Wylde.

2015年11月28日 · The small difference between 223 and 556 ammo is that the 556 is loaded to a slightly higher pressure. You should run a few different brands and types to see what your rig likes. If your bbl is a 1:9 or 1:7 twist, your practical bullet …