The Smith & Wesson M&P15 Sport III with a Crimson Trace red dot is a 5.56 NATO rifle with a 16-inch heavy barrel and a fixed, non-adjustable stock (brand part no. 14208). This Smith & Wesson configuration has a Crimson Trace CTS-103 red dot optic installed and ships with one 10-round magazine. The 1:8 twist 5R rifled barrel and mid-length gas system suit general-purpose shooting. A 15-inch free-floating M-LOK handguard lets you mount accessories.

Key Specifications

• The chambering is 5.56 NATO, a widely available rifle cartridge.
• Capacity is 10 rounds, and one 10-round magazine is included.
• The barrel is a 16-inch heavy barrel with a 1:8 twist and 5R rifling.
• A Crimson Trace CTS-103 red dot optic is installed, so the rifle is ready to shoot out of the box.
• The muzzle is non-threaded.
• The handguard is a 15-inch free-floating M-LOK design for mounting accessories.
• The gas system is mid-length, which gives less felt recoil.
• The stock is a fixed-length, non-adjustable design.
• The action is gas operated, and the rifle has an aluminum receiver.
• The rifle weighs 104 ounces.

Frequently Asked Questions

Does this M&P15 Sport III include an optic? Yes. A Crimson Trace CTS-103 red dot optic is installed.

Is the muzzle threaded? No. Smith & Wesson lists this configuration with a non-threaded muzzle.

What is the barrel twist? The 16-inch heavy barrel has a 1:8 twist with 5R rifling.

Buy the Smith & Wesson M&P15 Sport III 5.56 NATO Rifle with Crimson Trace Red Dot

A 5.56 NATO rifle with a heavy barrel, an installed red dot and a free-floating M-LOK handguard is ready to go. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL, and browse more AR-pattern rifles while you are here.