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.

American Tactical Alpha-15 Maxx 5.56 NATO Semi-Automatic Rifle

  • $399.99 $359.99
In Stock

Sig Sauer M400-DH3 5.56mm NATO AR-15 Rifle with DH3 Adjustable Stock

  • $2,179.99 $1,999.99
In Stock
  • Brand: Sig Sauer
  • Item Number: RM400-SDI-16B-DH3

Sig Sauer M400 SDI X-Series 5.56mm Semi-Automatic Rifle with M-LOK Handguard

  • $1,649.99 $1,499.99
In Stock
  • Brand: Sig Sauer
  • Item Number: RM400-SDI-16B-P

Colt M4 5.56mm Rifle with Magpul SL FDE Stock

  • $1,119.99
In Stock
  • Brand: Colt
  • Item Number: CR6920MPS-FDE

KE Arms KE-9 9mm Complete Lower Receiver

  • $699.99 $399.99
In Stock
  • Brand: KE Arms
  • Item Number: 1-50-01-070

Ruger AR-556 MPR 5.56mm Semi-Automatic Multi-Purpose Rifle

  • $1,089.00 $899.99
In Stock

Sig Sauer 716i Tread 308 Win Semi-Auto Rifle

  • $1,879.99 $1,699.99
In Stock

Smith & Wesson M&P15 Sport II 5.56mm with Magpul MOE M-LOK

  • $719.99 $619.99
In Stock

Ruger AR-556 5.56 NATO M4 Flat-Top Autoloading Rifle

  • $1,019.00 $699.99
In Stock

Daniel Defense DDM4 V7 5.56mm Semi-Automatic Rifle

In Stock