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.

New Addition to AR-15 Rifles

H&K MR556-A1 5.56mm Semi-Automatic Rifle

  • $3,294.99 $2,799.99
  • Brand: H&K
  • Item Number: MR556-A1

POF P308 308 Gas Piston Black Anodize Semi-Automatic Rifle

  • $3,219.99 $2,029.97
  • Brand: POF
  • Item Number: 00425

Sig Sauer MCX Virtus Pistol 5.56 NATO with Flat Dark Earth Finish

  • $2,335.00 $1,979.99
In Stock
  • Brand: Sig Sauer
  • Item Number: PMCX-11B-TAP-FDE

Sig Sauer MCX Virtus Patrol 5.56mm Semi-Automatic Rifle with Flat Dark Earth (FDE) Finish

  • $2,233.00 $1,899.99
In Stock
  • Brand: Sig Sauer
  • Item Number: RMCX-16B-TAP-P-FDE

Sig Sauer MCX Virtus Patrol 300 Blackout Semi-Auto Rifle with FDE Finish

  • $2,233.00 $1,899.99
In Stock
  • Brand: Sig Sauer
  • Item Number: RMCX-300B-16B-TAP-P-FDE

Sig Sauer MCX Virtus Patrol 5.56mm Semi-Automatic Rifle with Stealth Gray Finish

  • $2,233.00 $1,899.99
In Stock
  • Brand: Sig Sauer
  • Item Number: RMCX-16B-TAP-P

Sig Sauer MCX Virtus Patrol 300 Blackout Semi-Automatic Rifle with Stealth Gray Finish

  • $2,233.00 $1,899.99
In Stock
  • Brand: Sig Sauer
  • Item Number: RMCX-300B-16B-TAP-P

Daniel Defense DDM4V7 Pro Series 5.56mm Semi-Automatic Rifle

  • $1,999.00
In Stock