Smith & Wesson M&P-15 5.56 NATO AR-15, 16 in Barrel, 1:9 Twist, Firefield Red Dot, 40-Round PMAG, A2 Front Sight, Collapsible Stock
This Smith & Wesson M&P-15 pairs a proven 5.56 NATO direct-impingement system with practical features and useful extras. It includes a Firefield reflex red dot sight, a flip-up rear BUIS behind a fixed A2 front sight base, and a 40-round Magpul PMAG. The 16-inch threaded barrel uses a 1:9 twist and an A2 birdcage flash suppressor, and the 6-position M4-style stock adjusts the length of pull from 10–14 inches. Original case included.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Details: This firearm is in great shape, with some minor scratches and blemishes present.
What's Included
- Original case
- Firefield reflex red dot sight (installed)
- Flip-up polymer rear BUIS (installed)
- 1x 40-round Magpul PMAG extended polymer magazine
The carbine features a flat-top Picatinny upper with a forward assist, case deflector, and ejection-port dust cover. The aluminum receivers wear a matte black finish, with fit and features aligned to the AR-15 standard.
Sight setup includes a fixed A2 front sight base with a bayonet lug and front sling swivel, paired with a flip-up polymer rear BUIS. A Firefield reflex red dot is installed for rapid sighting.
The 16-inch threaded barrel uses a 1:9 twist and is capped with an A2 birdcage flash suppressor. Chambering is 5.56mm NATO, providing compatibility with standard loads in this caliber class.
Furniture consists of a two-piece carbine-length ribbed polymer handguard and an A2-style polymer pistol grip. The 6-position collapsible M4-style stock adjusts the length of pull from 10–14 inches and carries an S&W logo.
The lower accepts STANAG-pattern magazines and comes with a 40-round Magpul PMAG, yielding a 40+1 capacity. Origin is the United States, and the rifle retains a matte black receiver color/finish.




