AR-15 Buyer's Guide 2026 — Everything You Need to Know

Complete AR-15 buyer's guide. Platform types, caliber options, barrel lengths, accessories, top manufacturers, and buying tips for your first or next AR-15.

Frequently Asked Questions

What caliber is an AR-15?

Most AR-15 rifles are chambered in 5.56 NATO or .223 Remington, but the platform also supports .300 Blackout, 6.5 Grendel, .458 SOCOM, and many other calibers through upper receiver swaps.

How much does an AR-15 cost?

Entry-level AR-15 rifles start around $400-$600. Mid-range models from reputable manufacturers run $800-$1,200. Premium and custom-built AR-15s can cost $1,500-$3,000+.

Is an AR-15 good for home defense?

Yes. The AR-15 is an effective home defense option due to its low recoil, high capacity, ease of use, and accuracy. Use appropriate ammunition like .223 defensive loads to minimize over-penetration.

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