S&W Model 642 Airweight .38 Special 1.88 in 5rd Lasergrip

The Smith & Wesson Model 642 Airweight .38 Special 1.88 in 5rd Lasergrip is a J-frame revolver built for deep concealment and reliable defensive carry. The aluminum alloy frame keeps weight low while the stainless steel barrel and cylinder resist corrosion. This model comes factory-fitted with a Crimson Trace LG-305 Lasergrip and a concealed hammer for a snag-free draw. Double-action-only operation and fixed sights keep things simple when seconds count.

Manufacturer	Smith & Wesson
Model	642 Airweight
Caliber	.38 Special
Capacity	5 rounds
Barrel Length	1.88 inches
Frame Material	Aluminum alloy (per manufacturer specs)
Cylinder Material	Stainless steel
Finish	Matte silver stainless steel barrel/cylinder, matte alloy frame
Weight	Approx. 15 oz unloaded
Action	Double-action only
Sights	Fixed front blade, fixed rear notch
Grip	Crimson Trace LG-305 Lasergrip
Condition	New

Key Features

• Aluminum Alloy Frame — why it matters: shaves nearly 6 oz off the steel-frame version, making this one of the lightest .38 Special revolvers you can pocket-carry without sagging your belt.
• Crimson Trace LG-305 Lasergrip — why it matters: instant laser aiming without changing your grip; the instinctive activation button sits right where your middle finger rests, so you get a red dot on target as soon as you draw.
• Concealed Hammer — why it matters: no spur to snag on shirt tails or pocket liners; this revolver slides out cleanly under stress, and the DAO trigger gives a consistent pull every time.
• Stainless Steel Barrel & Cylinder — why it matters: sweat, humidity, and pocket lint won’t cause rust in the critical parts; the matte finish hides holster wear and keeps the gun looking sharp at the range.
• Fixed Sights — why it matters: nothing to snag, nothing to adjust; the front blade is integral to the barrel, so you get a zero that stays true from the factory.

Who It’s For

This revolver is built for the collector who wants a classic carry piece with modern aiming tech — think 1960s detective revolver meets 2020s laser sight. It’s also for the shooter who prefers a revolver over a semi-auto for its simplicity: no safeties to fumble, no slide to rack, just point and press. If you’ve been to a gun show and held an old Chief’s Special, you’ll recognize the DNA here. The 642 Airweight with Lasergrip is the evolution of that design, ready for pocket holsters, ankle rigs, or a belt holster under a light cover garment.

Pros & Cons

• Pro: Ultra-light at 15 oz — disappears in a pocket holster.
• Pro: Crimson Trace laser is pre-installed and sighted from the factory.
• Pro: Snag-free profile for fast, clean draws.
• Con: The light weight means recoil is snappy with +P loads; practice with standard-pressure .38 Special to stay on target.
• Con: Fixed sights are basic — no windage or elevation adjustment — but that’s typical for a carry revolver.

Comparison: Model 642 vs. Ruger LCR vs. Taurus 856

Feature	Smith & Wesson 642 Airweight	Ruger LCR .38	Taurus 856
Weight	15 oz	13.5 oz	22 oz
Capacity	5 rounds	5 rounds	6 rounds
Frame Material	Aluminum alloy	Polymer with steel inserts	Steel
Laser Option	Factory Crimson Trace LG-305	Aftermarket only (CT or Viridian)	Aftermarket only
Trigger Pull (DAO)	~12 lb (per S&W specs)	~9 lb	~12 lb
Price (approx)	$769	$680	$380
Best For	Collectors who want a laser-ready classic	Shooters wanting the lightest DAO trigger	Budget buyers needing 6 rounds

Is the S&W Model 642 Airweight reliable for everyday carry?

Yes — the 642 has been a trusted EDC revolver for decades. The enclosed hammer prevents snags, the stainless steel cylinder resists corrosion, and the double-action-only trigger ensures you won’t accidentally fire during reholstering. Many gun owners have carried these for years with zero malfunctions. Just keep it clean and lubed, and it will run.

Does the Crimson Trace Lasergrip require batteries?

Yes — the LG-305 uses two 2032 lithium coin cells. Battery life is approximately 4-5 hours of constant-on use under normal conditions. The grip has an auto-off feature that shuts the laser after 5 minutes of inactivity to save power. Replacements are cheap and easy to swap through the battery door on the grip panel.

Can I shoot +P ammunition in this revolver?

Yes — the S&W 642 Airweight is rated for +P .38 Special loads. However, because of the lightweight frame, +P rounds produce sharper recoil and more muzzle flip. For practice, use standard-pressure .38 Special. For carry, load +P hollow points for better terminal performance. The stainless steel cylinder handles the pressure just fine.

What holsters fit the Model 642 with Lasergrip?

Most holsters designed for the S&W J-frame with a 1.88-inch barrel will fit. The Crimson Trace LG-305 grip adds a bit of width, so look for holsters specifically listed as compatible with Crimson Trace Lasergrips. Brands like DeSantis, Galco, and CrossBreed offer options. Pocket holsters and IWB holsters are the most common choices for this revolver.

Is the 642 Airweight a good choice for a beginner?

It can be — the revolver is simple to operate: load, close, point, and press. The laser helps new shooters see where the round will hit before they press the trigger. However, the recoil with +P loads is stout, and the DAO trigger pull is heavy (around 12 pounds). Beginners should start with standard-pressure .38 Special and dry-fire practice to build trigger control.

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Last updated: April 2026