Point Blank Ballistics Software

I am using the Point Blank Ballistic program to calculate the ballistics for my 308 win.
With the conditions I'm shooting under then the program says I need 38 moa to be zeroed @ 1000 yards from my 100 yard zero. But I actually need 42.5 moa. Is this amount of error typical of Ballistic programs?
Here's my data if someone would please verify it on another program for me:
175 grain Matchking BC=.496
Velocity is 2640-50 fps
elevation is 5000 ft above sea level
temperature is 90 degrees
scope height is 1.5 inches
The reason I am asking is because I was rereading Blaine Fields post 'Why a Knowledge of Ballistics' where his 1 in 12 twist barrel was having issues with the heavier projectiles at 1000 yards. I was able to consistantly hit at 1000 yards so I don't think my 1 in 12 barrel is having problems, but I thought I'd ask anyway.

I go over the details of the watch, demonstrate some of its features, how the Applied Ballistics software works, and what I think of it overall ⌚️
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Video showing the ballistics on the range: https://youtu.be/MJ1CoOP3xXo
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Music by Machinima & Epidemic Sound
Disclaimer: These videos are strictly for educational and entertainment purposes only. Imitation or the use of anything demonstrated in my videos is done AT YOUR OWN RISK. All work on firearms should be carried out by a licensed individual and all state and federal rules apply to such. We (including YouTube) will not be held liable for any injury to yourself or damage to your firearms resulting from attempting anything shown in any our videos. I do not endorse any specific product and this video is not an attempt to sell you a good or service. I am not a gun shop and DO NOT sell or deal in Firearms. Such a practice is heavily regulated and subject to applicable laws. I DO NOT sell parts, magazines, or firearms. These videos are free to watch and if anyone attempts to charge for this video notify us immediately. By viewing or flagging this video you are acknowledging the above.
Fair Use: In the rare instance I include someone else's footage it is covered in Fair Use for Documentary and Educational purposes with intention of driving commentary and allowing freedom of speech.

I go over the details of the watch, demonstrate some of its features, how the Applied Ballistics software works, and what I think of it overall ⌚️
Nine Line Apparel shirts [including Betsy Ross Flag hoodie]: (discount code MRGUNS20): https://glnk.io/nxl/mrgunsngear
1776 United shirts: (use code Mrgunsngear for 20% off): https://mrgunsngear.org/3cr4lXU
Video showing the ballistics on the range: https://youtu.be/MJ1CoOP3xXo
My Amazon store:
https://www.amazon.com/shop/mrgunsngear
www.Facebook.com/Mrgunsngear
www.Instagram.com/Mrgunsngear or instagram.com/mrgunsngearsdock
https://parler.com/profile/Mrgunsngear
www.twitter.com/mrgunsngear
Music by Machinima & Epidemic Sound
Disclaimer: These videos are strictly for educational and entertainment purposes only. Imitation or the use of anything demonstrated in my videos is done AT YOUR OWN RISK. All work on firearms should be carried out by a licensed individual and all state and federal rules apply to such. We (including YouTube) will not be held liable for any injury to yourself or damage to your firearms resulting from attempting anything shown in any our videos. I do not endorse any specific product and this video is not an attempt to sell you a good or service. I am not a gun shop and DO NOT sell or deal in Firearms. Such a practice is heavily regulated and subject to applicable laws. I DO NOT sell parts, magazines, or firearms. These videos are free to watch and if anyone attempts to charge for this video notify us immediately. By viewing or flagging this video you are acknowledging the above.
Fair Use: In the rare instance I include someone else's footage it is covered in Fair Use for Documentary and Educational purposes with intention of driving commentary and allowing freedom of speech.

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