Shop for Head Down Firearms Cornerstone online at

If you are new to shooting and looking for the perfect companion to begin your journey, the Cornerstone series rifle by Head Down Firearms is your best choice. This rifle is the best firearm to build a solid foundation for all of your shooting endeavors thanks to how handy and reliable it is. The Cornerstone series rifle delivers 1 MOA (minute of angle) or better accuracy guarantee. In line with Head Down Firearms policy, the Cornerstone series rifle comes with a transferable lifetime warranty.

Unlike other entry level rifles, the Cornerstone rifle is equipped with high quality and ergonomic parts. Head Down Firearms chose to use the QMS trigger from ALG Defense for a clean and crisp pull. The 15" free float handguard allows for additional accessories such as lights and grips. Its size permits users of all hand sizes to control this rifle with comfort.

This rifle comes in two caliber sizes - 223 Wylde and 6.5 Grendel - and can be upgraded with a choice of 8 different color finishes. Here are the standard features:

  • Trigger: ALG Mil Spec
  • Barrel: 14.5" 4150/4151 CrMov barrel, Nitride finished, 1-8 Twist
  • Grip: MFT engage
  • Stock: MFT Battlelink
  • Handguard: HD M-lok
  • Ambidextrous safety
  • Radian Raptor Ambidextrous Tactical Charging Handle
  • H Buffer
  • When you are new to shooting or want to add to your collection but looking for high quality features, the Head Down Arms Cornerstone is sure to please. The rifle is incredibly comfortable to use and provides great accuracy. To get your hands on one, buy it here at If you have one for sale, click here for a larger audience of shoppers.


    Selected Filters

    • Accepts GunBroker Pay
    • Immediate Checkout - Credit Card
    • Layaway Available
    • No Credit Card Fee
    • Completed Items
    • Take a Shot
    • Sponsored On-site Listings
    • Showcase Listings
    • Charity Auctions
    • Has Pictures
    • No Reserve
    • International Shipping
    • Factory New
    • New Old Stock
    • Used
    • Price Range:
    • Barrel Length:
    • Caliber:
    • Capacity:
    • Frame Finish:
    • Gauge:
    • Grips:
    • Manufacturer:
    • Model:
    • Number of Rounds:
    • Number of Rounds For Sale:
    • Slide Finish:
    • Exclude Words:
    • Country:
    • State:
    • UPC:
    • Keywords:
    • Min Starting Bid:
    • Max Starting Bid:


    Select a Category

    Buy Format
    $ to $
    Listing Details
    Item Condition
    Show Only
    Results for


    Results for


    Results for

    {{currentKeywords}} in {{currentCatName}}

    No results found or search too broad

    Results for

    Head Down Firearms Cornerstone

    0 Items Found
    There are 0 items that match your criteria.
    Please specify either a Keyword or a Category to perform this search. For more complex searches you may use the Advanced Search function.