https://gunsnprices.github.io/hugo-theme-range-log/calibers/223-rem/Recent content in 223 Rem on Range LogHugoen-US© {year} Range Log demo. Example content: people, stores and prices are made up.Sun, 20 Sep 2026 17:30:00 -0500https://gunsnprices.github.io/hugo-theme-range-log/posts/club-ar15-first-500-rounds/Sun, 20 Sep 2026 17:30:00 -0500https://gunsnprices.github.io/hugo-theme-range-log/posts/club-ar15-first-500-rounds/<p>The club bought a 16-inch AR-15 for the rifle intro class. Before it goes into the rental rack, three of us put 500 rounds through it over two Saturdays.</p> <h2 id="which-ammo-it-takes">Which ammo it takes</h2> <p>The barrel is marked 5.56 NATO. A chamber marked 5.56 NATO is made for both of these cartridges:</p> <aside class="rl-caliber rl-caliber--rifle" aria-label="Caliber: 5.56×45mm NATO" data-caliber="5-56x45mmnato" data-type="rifle"> <div class="rl-caliber__head"> <p class="rl-caliber__name">5.56×45mm NATO</p> <span class="rl-caliber__type">Rifle</span> </div> <p class="rl-caliber__aliases"><span class="rl-caliber__label">Retailer spellings:</span> 5.56, 556NATO, 5.56x45mm, 5.56mm NATO</p> <p class="rl-caliber__links"><a href="https://gunsnprices.github.io/hugo-theme-range-log/calibers/5.56-nato/">1 post about this caliber</a></p> </aside> <aside class="rl-caliber rl-caliber--rifle" aria-label="Caliber: .223 Rem" data-caliber="223rem" data-type="rifle"> <div class="rl-caliber__head"> <p class="rl-caliber__name">.223 Rem</p> <span class="rl-caliber__type">Rifle</span> </div> <p class="rl-caliber__aliases"><span class="rl-caliber__label">Retailer spellings:</span> .223 Remington</p> <p class="rl-caliber__links"><a href="https://gunsnprices.github.io/hugo-theme-range-log/calibers/223-rem/">1 post about this caliber</a></p> </aside>