The BARRETT BORS Ballistic Ranging System for Leupold Mark-4 M1 Scopes (13353) is an integrated ballistics computer that mounts directly on the riflescope and couples to the elevation knob. BORS instantly takes care of the data work by drawing from several tables and taking into account a number of real-time external factors so you can focus on the task of achieving first round hits.
After determining the range to target, simply turn the elevation knob until the BORS screen matches your target's distance. Internal sensors automatically calculate the ballistic solution. BORS compensates for temperature and barometric pressure, calculates angle cosine and displays rifle cant.
The BORS kit includes the proprietary Barrett Ballistic PC Software that's pre-programmed with a library selected by Barrett. BORS USB data cable allows the transfer of user programmable custom loads to BORS from his or her computer.
Designed primarily to withstand military operations, BORS is rugged and able to operate with a variety of scopes, calibers and rifles. This Barrett Optical Ranging System compatible with Leupold Mark-4 M1 Scopes.
Leupold Mark-4 M1 Scopes
-1,000 thru 20,000 ft / (-300 thru 6,100 m)
Height Above Centerline of Scope
2.49" / 6.32 cm
2 lines, 12 character LCD
-90° thru 90° (2-degree resolution)
30 hour minimum
-4°F thru 158°F / (-20°C thru 70°C)
Width, in / cm
3.25" / 8.26
Weight, oz / g
13 / 370
Soft touch, water resistant keypad
1.71" (4.44 cm) x 0.625" (1.58 cm) illuminated LCD display
USB connectivity to transfer user programmable custom loads
Due to the nature of this item, it may be restricted from shipment to the territories listed under Shipping Restrictions. It may require a permit or may be prohibited from ownership in these areas. Contact your local law enforcement/government officials to find out more. If you add it to the shopping cart and check out with it, it may be removed from your order by our customer service team (your credit card will not be charged for the item).