AR-15 Parts List: Every Component Explained
Complete AR-15 parts list with every component explained, price ranges at budget through premium tiers, and where to spend vs save on your build.
best AR-15
Mil-Spec vs Commercial AR-15: What’s the Difference?
What mil-spec actually means for AR-15 parts, when it matters for compatibility, and when aftermarket parts deliberately exceed military specifications.
AR-15 Barrel Length Guide: How Length Affects Everything
Every AR-15 barrel length from 10.3 to 20 inches compared with real velocity data, gas system pairings, and practical recommendations by use case.
Best AR-15 for Beginners (2026): 8 First-Time Buyer Picks
The 8 best AR-15 rifles for beginners in 2026. Ruger AR-556, PSA PA-15, IWI Zion-15, and more. What to look for in your first AR, plus training and accessory recommendations.
Best Left-Handed AR-15 Rifles (2026): Ambi & True Left-Hand
The 8 best left-handed and ambidextrous AR-15 rifles in 2026. From true left-ejecting Stag Arms to full-ambi Radian, LMT, ADM, and budget ambi builds.
Best AR-15 for Coyote Hunting (2026): 8 Rifles Tested
The 8 best AR-15 rifles for coyote hunting in 2026. Barrel lengths, twist rates, optic pairings, and real field performance from a dedicated predator hunter.
Best AR-15 Caliber (2026): Which One Should You Actually Buy?
Complete guide to the 8 best AR-15 calibers in 2026. Compare 5.56 NATO, 300 Blackout, 6.5 Grendel, 350 Legend, 450 Bushmaster, and more with ballistic data, ammo costs, and real-world performance.
AR-15 Legal States: Where You Can Own One (2026)
Which states allow AR-15 ownership in 2026, which have feature restrictions or assault weapon bans, and how to comply with featureless and fixed-mag workarounds.
AR-15 Magazine Capacity Laws by State (2026)
Complete state-by-state guide to AR-15 magazine capacity laws in 2026. Which states restrict magazine size, grandfathering rules, penalties, and travel tips.