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Magwell4.2

Radian Weapons

Radian Weapons Magwell

A flared magwell that funnels reloads without adding meaningful printing width.

Overview

Aluminum, tool-less install, and shaped to blend into the 43X frame rather than bolt onto it. The flare is aggressive enough to guide a magazine under stress but shallow enough to stay concealable.

Why I chose this

Better reload funnel for classes and matches, plus a small ergonomic gain in grip feel.

Real world performance

About 0.15s faster on slide-lock reloads across 40 timed attempts. No interference with S15 mags or the mag release.

Concealed carry impact

Negative. It's the biggest single contributor to printing at the base of the grip. Manageable with a claw holster and a slight forward cant.

Kourtni's personal notes

Not marketing copy — carry experience

This is the most optional part on the list and I'm keeping it because I like it, not because you need it. Reload speed improvement in my testing: about 0.15 seconds on a slide-lock reload. If you're a competition shooter that matters. If you're carrying, you will almost certainly never reload. What it genuinely improves is the feel of the grip — the flare gives my pinky a shelf and slightly increases the grip length in a way that makes the gun feel more like a 19. The cost is the one thing that matters for carry: it's the part most likely to print at the bottom of your shirt when you bend over. If concealment is your top priority, this is the first thing I'd cut from the build.

Pros

Faster, more forgiving reloads
Improves grip feel and pinky support
Tool-less install, excellent finish

Cons

Increases printing at the bottom of the grip
Marginal benefit for pure carry use
Adds cost without adding capability

Installation tips

Remove the mag first and check for interference with your magazine baseplates.
Verify magazines still drop free with the magwell installed.

Lessons learned

Test every magazine you own after installing. Some aftermarket baseplates bind.

Mistakes to avoid

Installing it right before a class without verifying mag drop.
Buying it before you have good magazines and a holster.

Alternative products

No magwell

The correct answer for most pure-carry builds.

Strike Industries magwell

Half the price, slightly rougher finish.

Upgrade path: Last item on the list. Add it only after everything functional is handled.

Frequently asked questions

Will it print more?+

Yes, slightly. A claw or wedge on your holster mitigates most of it.

Does it work with S15 mags?+

Yes, including the aluminum baseplates.

Overall recommendation

A nice-to-have. Buy it for range and class use; cut it first if concealment is the priority.