Sight Height–How high above the bore’s centerline is your scope.If you don’t, the chart on the back of your ammo box will get you close. You can get the most accurate calculation with access to a chronograph. Muzzle Velocity–How fast your bullet is exiting the muzzle.This number can usually be found on your box of ammunition or on the manufacturer’s website. Ballistic Coefficient–A ballistic coefficient is a number that directly correlates to the efficiency or aerodynamics of your bullet.If in doubt, use G1, as it will be accurate enough for this calculation. I can’t explain it better than the way does here. Drag Function–The Drag function of your bullet can be confusing if you look too far into it.To calculate MPBR there are a few things that you need about your rifle and ammunition. My 2022 Montana Mule Deer, taken at 95 yards. Not as precise as dialing in for distance.Uses the least amount of ammunition to sight in and verify.Using a rifle sighted in for maximum point blank range will help the hunter in Iowa hunting whitetail in the farmer’s field and the Pennsylvania hunter sitting a powerline on the opening day of the deer rifle season. This is also a great way to sight in for hunting in the eastern states as well. Those who have spent minute after minute trying to range the bedded antelope in a sea of sagebrush know exactly what I’m talking about. Not only will MPBR work in your favor during a fast encounter, but it is also ideal for those times when your rangefinder won’t give you an accurate range. Use coupon code KTG10 to get 10% off your order of $150 or more at Brownells. Shot opportunities can happen quickly, and you may not have time to use the range finder strapped to your chest. That was my first experience using Maximum Point Blank Range in my 275 Rigby, and it performed well.Īs you can see from the story above, knowing the exact distance isn’t important in situations like that. I killed that antelope at 165 yards and only had a few seconds to act on it. Distances are near impossible to judge without shrubbery to get a frame of reference. The high plains of Wyoming can play tricks on your eyes. In an instant, the antelope bolted from within 50 yards, and as it stopped, I leveled my crosshairs and eased the trigger. I rose over the knoll, trying to spot the bedded Pronghorn Antelope that we had located hours before. In my opinion, it is the best way to sight in a rifle for field scenarios as it takes all of the math out of it. This is a simple way to account for trajectory in a hunting situation. No holdover, no adjusting your scope dials. For example, if your MPBR is 300 yards with a 6-inch vital area, you can hold the crosshairs in the center of the heart and lung area, and out to that distance, your bullet won’t travel more than 3 inches above or below your point of aim during its flight. Maximum Point Blank Range(MPBR) is the range that you can shoot accurately at without changing the aim of your rifle. This works, but it isn’t the best way out there. For most, that means shooting from a rest at 100 yards and getting it to shoot point of aim or center of the target. The Wyoming Plains, prime habitat for the American Pronghorn Antelope What is Maximum Point Blank Range?Įvery year countless hunters take to the range prior to hunting season to sight in or re-zero their favorite hunting rifles. In an effort to direct all of my friends to one place to answer their questions, let me explain why I believe that sighting your hunting rifle in for its maximum point blank range is the best option for most hunters. MBPR is the quickest and easiest way to kill effectively without using a rangefinder. This area usually equals the size of the targeted animal’s vitals. Maximum Point Blank Range or MPBR is the maximum range that a shooter can aim dead on and hit within a predetermined area. This usually leads to a slew of other questions that I’m ready for. The Pronghorn’s chest size is slightly smaller than a whitetail giving you a good comparison.Įvery year I get the same question from buddies of mine, “What distance should I sight in my hunting rifle?” I always reply with the same thing, for your ideal point blank range. A visual example of MPBR Calculation for 6.5 Creedmoor on Pronghorn Antelope.
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