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From IronLock Armory

The journal

Stories, guides and field notes by Devin Rhodes — AR-15 upper/lower receiver compatibility, Marlin 336 and 1895 lever-action timing/tune-ups.

GuideBy Devin Rhodes

AR-15 BCG Phosphate vs Nitride Coating: The Definitive Durability Comparison
By Devin Rhodes

Setting the Correct AR‑15 Ambidextrous Safety Selector Torque for a Crisp, Zero‑Fault Reset
By Devin Rhodes

AR-15 Buffer Weight Tuning for Suppressed SBR Builds: A Gunsmith's Data-Driven Approach
By Devin Rhodes

The Definitive Guide to AR-15 Carbine Buffer Tube Castle Nut Staking Patterns
By Devin Rhodes

AR-15 Dust Cover Installation Without a Roll Pin Tool: A Gunsmith's Direct Method
By Devin Rhodes

Real-World Reliability: Testing AR-15 Forward Assist Function in Dust-Saturated Conditions
By Devin Rhodes

Field-Stripped Method: AR-15 Forward Assist Spring Replacement Without Special Tools
By Devin Rhodes

AR-15 Forward-Assistless Upper Receiver: Unfiltered Pros and Cons for Builders
By Devin Rhodes

AR-15 Free-Float Handguard Torque Specs and Alignment: The Armorer's Data-Driven Method
By Devin Rhodes

AR-15 Lower Receiver Forging Marks Identification Guide: What Your Receiver's Stampings Actually Mean