How to Zero an AR-15: Complete Guide
Step-by-step guide to zeroing your AR-15. The 36-yard zero explained, MOA vs MIL adjustments, bore sighting, common mistakes, and how many rounds you need.
AR-15
AR-15 Caliber Comparison Chart: Every Chambering Ranked
Every AR-15 caliber compared in one chart. Velocity, range, ammo cost, magazine compatibility, and best use case for .223, 300 BLK, 6.5 Grendel, and more.
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.
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 Buffer Weight Guide: How to Choose the Right One
Carbine, H, H2, H3 buffers explained with a complete weight chart, gas system pairing recommendations, and troubleshooting for short-stroking and over-gassing.
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 Piston AR-15 Rifles (2026): 7 Picks Compared
The 8 best piston-driven AR-15 rifles in 2026. Sig MCX Spear LT, LWRC IC-A5, HK MR556A1, and more. Short-stroke vs long-stroke comparison with honest reviews.