AR-15 Rifles

At Sportsman’s Outdoor Superstore, we offer a large selection of AR-15 rifles, including popular favorites from top manufacturers like Colt, Ruger, and Windham Weaponry. Whether you’re looking for an entry-level model as your first rifle, a top rated gas piston variant, or a stripped lower to build your own custom AR, you’ll find dozens of reliable AR-15 rifles to shop from. You can use product filters to narrow your options by different manufacturers and calibers. To get some insight into what other customers are currently buying, you can also shop our most popular AR-15 rifles.

Smith & Wesson M&P15 Sport II 5.56mm Optics Ready Semi-Auto Rifle with M-LOK Handguard

  • $792.00 $599.99
  • After rebate: $499.99
In Stock

American Tactical MilSport 300 Blackout AR15 Rifle with M-LOK Handguard

  • $499.99 $449.99
In Stock

Anderson Manufacturing AM-15 Stripped Lower Receiver (Multi Cal)

  • $39.99 (Save 20%)
  • Bulk price when you buy 3 or more.
  • $49.99
In Stock

Smith & Wesson M&P15 Sport II 5.56mm Semi-Automatic M-LOK Rifle with Vortex SPARC II AR Red Dot

  • $749.99 $699.99
  • After rebate: $599.99
In Stock

Sig Sauer M400 Tread Snakebite SE 5.56mm Semi-Automatic Rifle with Cerakote Elite Finish

  • $1,379.99 $1,249.99
In Stock
  • Brand: Sig Sauer
  • Item Number: RM400-16B-TRD-SB-SE

Smith & Wesson M&P15 Sport II 5.56mm Semi-Automatic M-LOK Rifle with TruGlo Red Dot

  • $729.99 $619.99
  • After rebate: $519.99
In Stock

Sig Sauer M400 Tread 5.56mm Semi-Automatic Rifle

  • $949.99 $849.99
In Stock

Smith & Wesson M&P15 Sport II 5.56mm Rifle with Dust Cover and Forward Assist

  • $812.00 $719.99
  • After rebate: $619.99
In Stock

Ruger AR-556 MPR 5.56mm with American Flag Cerakote Finish

  • $1,139.00 $899.99
In Stock

KE Arms KE-9 9mm Complete Lower Receiver

  • $699.99 $489.99
In Stock
  • Brand: KE Arms
  • Item Number: 1-50-01-070