
Smith & Wesson Inc.
Smith & Wesson J-Frame M&P340 Handgun .357 Mag 5rd Capacity 1.875" Barrel Black
Product Details
Smith & Wesson’s unique Scandium Alloy high strength frames allow for the lightest revolvers capable of firing .357 S&W Magnum®. The Smith & Wesson J-Frame has become the most popular small frame personal defense revolver on the market. With decades of reliable performance to its credit the J-frame line offers models capable of firing .22 LR .22 Magnum® .38 S&W Special and the more powerful .357 Magnum loads. Smith & Wesson offers these revolvers from our production M&P Pro Series and Classics lines in three diverse hammer designs; internal exposed and shrouded. Model: M&P340
- Caliber: .357 Magnum®
- Capacity: 5 Rounds
- Barrel Length: 1.875" / 4.7 cm
- Front Sight: XS Sights® 24/7 Tritium Night
- Rear Sight: Integral U-Notch
- Grip: Synthetic
- Overall Length: 6.31" / 16.0 cm
- Action: Double Action Only
- Weight Empty: 13.3 oz / 377.8 g
- Material: Scandium Alloy Frame
- Stainless Steel Cylinder
- Finish: Matte Black
- Frame Size: Small - Internal Hammer
Specifications
| Brand | Smith & Wesson Inc. |
|---|---|
| UPC | 022188030723 |
| Caliber | .357 Mag |
| Action | Semi-Auto |
| Color / Finish | Black |
| Finish Type | Matte |
| Barrel Length | 1.88" |
| Capacity | 5 rounds |
| Weight | 1.75 lb |
| Condition | New |
Buying this item
- Can I buy the Smith & Wesson J-Frame M&P340 Handgun .357 Mag 5rd Capacity 1.875" Barrel Black online and have it shipped to me?
- Firearms cannot ship to your home. Buy it here and pick it up at Iron Valor Armory in Rocky Mount, NC after a NICS background check, or have it shipped to a licensed FFL dealer near you for their transfer fee.
- How old do I have to be to buy the Smith & Wesson J-Frame M&P340 Handgun .357 Mag 5rd Capacity 1.875" Barrel Black?
- You must be 21 or older with valid government ID for handguns and stripped receivers.
- Is the Smith & Wesson J-Frame M&P340 Handgun .357 Mag 5rd Capacity 1.875" Barrel Black in stock?
- Yes — live distributor inventory shows it in stock and it ships or is ready for pickup within 1–3 business days.
- What is the return policy?
- Non-firearm items may be returned within 30 days (a restocking fee of up to 15% applies if the packaging was opened). Firearms and ammunition are final sale once transferred, per federal law.
All firearm sales require background checks and compliance with federal, state, and local laws. You must be 21+ for handguns/stripped receivers and 18+ for long guns.
Frequently bought together
Complete the setup
Ammo, magazines and optics matched to Smith & Wesson J-Frame M&P340 Handgun .357 Mag 5rd Capacity 1.875" Barrel Black. Everything here ships to your door or is ready at pickup.
Adds the first item in each column · you can adjust in the cart
Red dots & sights
We mount and bore-sight for pickup.
Tijicon RMRcc Red Dot Sight Adjustable LED 6.5 MOA$511.42Top pick

More handguns like this

Smith & Wesson Inc.
Smith & Wesson Bodyguard 2.0 w/RFX1 .380 Auto 10rnd (1) & 12rnd (1) 2.75" Barrel Black Thumb Safety
$559.00
Smith & Wesson Inc.
Smith & Wesson M&P Bodyguard 2.0 Handgun .380 Auto 10rd (1) & 12rd (1) Magazines 2.75" Barrel Black Thumb Safety
$399.00
Smith & Wesson Inc.
Smith & Wesson M&P Bodyguard 2.0 Handgun .380 Auto 10rd (1) & 12rd (1) Magazines 2.75" Barrel Black No Thumb Safety
$399.00
Smith & Wesson Inc.
S&W PC Bodyguard 2.0 Carry Comp Handgun .380 Auto 10(1)&12(1)rd Magazines 3.1? Ported Barrel No Manual Safety
$499.00
Smith & Wesson Inc.
Smith & Wesson Bodyguard 2.0 w/RFX1 Blk .380 Auto 2.75in 10rnd (1) & 12rnd (1) Magazines No Thumb Safety
$559.00
Smith & Wesson Inc.
S&W M&P9 M2.0 Metal Comp Spec Series VI Bundle 9mm Luger 15rd Magazines(3) 4" Comp Barrel Champagne Cerakote
$1,759.50
Smith & Wesson Inc.
S&W PC Bodyguard 2.0 Carry Comp Handgun .380 Auto 10(1)&12(1)rd Magazines 3.1? Ported Barrel Manual Safety
$499.00
Smith & Wesson Inc.
M&P 22X Handgun .22 LR 20rd Magazines(2) 4.1" Threaded Barrel White Dot Sights Thumb Safety Black
$401.35
Guides for this gear
All articles →
AR-15
7 Mistakes You're Making with Your AR-15 (and How to Fix Them Before Opening Day)
Before opening day, your AR-15 needs more than a quick glance and a fresh box of ammo. Use this seven-point checklist to inspect your rifle, secure your optics, verify your magazines, confirm your point of impact, and practice with your actual hunting setup.

hunting season prep
Hunting Season Prep: Your Gear Checklist Before Opening Day
Opening day has a way of exposing every item you forgot. Use this hunting season prep checklist to inspect your firearm or bow, verify optics, pack smarter, and head into the woods ready for opening day.

deer season prep
Northeastern NC Gun Season Opens October 17: 7 Rifle Checks to Do This Weekend
Northeastern North Carolina gun deer season opens October 17, 2026. Use this seven-step weekend checklist to inspect your rifle, confirm your zero, organize hunting gear, and prepare for a safe opening morning.

