Knowledge Base

The Armorer's Bench

Straight talk from a licensed armorer. AR-15 builds, maintenance, upgrades, and the things most gunsmiths won't tell you.

AR-156 min read

5 AR-15 Upgrades That Actually Make a Difference

Not every upgrade is worth the money. Here are five that genuinely improve how your rifle performs — and why each one matters.

— Louie · May 10, 2026Read More

Trigger Work

Why a Drop-In Trigger Isn't Always 'Drop-In': A Gunsmith's Perspective

The marketing says 'drop-in.' The reality is more complicated. Here's what actually happens when you install an aftermarket trigger — and why it matters.

May 5, 2026 · 5 min read

Handguards

Handguard Swap 101: Free-Float vs. Drop-In and What Your Rifle Actually Needs

Two types of handguards, very different installation requirements. Here's what you need to know before you buy — and what can go wrong if the install isn't done right.

April 28, 2026 · 7 min read

Finishes

Cerakote vs. Blueing vs. Parkerizing: Choosing the Right Finish for Your Firearm

Three different finishes, three different purposes. Here's an honest breakdown of each — durability, aesthetics, cost, and what they're actually best for.

April 20, 2026 · 6 min read

FFL Transfers

What Is an FFL Transfer and Why Do You Need One?

Buying a firearm online is legal — but it can't ship directly to your door. Here's how FFL transfers work and what to expect when Louie's transfer services go live.

April 14, 2026 · 5 min read

Maintenance

The One Maintenance Step Most AR Owners Skip (And Why It Matters)

Most AR owners clean the bore and wipe down the BCG. Almost nobody checks this — and it's one of the most important reliability factors on the platform.

April 7, 2026 · 5 min read