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TL Trigger Logic
From Trigger Logic

The journal

Stories, guides and field notes by Marcus Thorne — AR-15 trigger group tuning, 80% lower machining techniques.

GuideBy Marcus Thorne

The Complete Guide to 80% Lower Jig Rental Programs: Trigger Logic Compatibility and Precision Execution
By Marcus Thorne

80% Lower Receiver Jig Alignment Pin Specifications: Why Military Armorers Measure Twice
By Marcus Thorne

Getting Your Jig Right: Arc Firetrigger 80% Polymer Lower Receiver Jig Compatibility for Professional-Grade Results
By Marcus Thorne

ARC Firetrigger Ambidextrous Magazine Release Install Tutorial: A Marine Armorer's Step-by-Step Guide
By Marcus Thorne

Setting the Standard: The Correct Torque Specs for Your ARC Firetrigger Ambidextrous Safety Selector
By Marcus Thorne

Arc Firetrigger Barrel Nut Torque Specifications Chart: The Definitive Guide for Precision Builds
By Marcus Thorne

Arc Firetrigger Enhanced Ejector Spring Load Specifications: Breaking Down the Numbers for Reliable Ejection
By Marcus Thorne

Why the Arc Firetrigger Handguard Anti-Rotation Tab Design Matters for Serious Builds
By Marcus Thorne

Trigger Logic AR-15 Drop-In Trigger Group Weight Comparison: Why Ounces Matter in Performance
By Marcus Thorne

Precision or Provenance: How Trigger Logic's Billet Aluminum Lower Compares to Forged Mil-Spec Dimensions