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IMG_20210401_090615.thumb.jpg.2c0c0db332c7406c0007c731e976a0d2.jpgInteresting comparison i think. 

The group on the right 5 concecutive handloaded  140g 6.5CM  the string on the left 5 S&B factory 140g ammo 

Shot at 1000yards  with about a 8mph breeze. Just put in scope values in from Strelok and used the same aim point for every shot.

 

 

 

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Posted (edited)

Now funny you should say that.. I didnt, but I did put the scope elevation values back into Srelok and got it to calculate the speeds S&B 2653 f/s  Home made 2634f/s.  So mine are slower but needed 9.5mils of evevation where as the S&B needed 11mils (plus or minus a bit!)  The big difference is I'm using Nosler RDF which have a much better G7 drag coefficient.

 Not a very scientific experiment  but interesting..

PS:  Quickload gives a predicted velocity of 2725, Gordons, 2660.  ( thats with a lot of default values but I plan to refine the data of the long weekend)

 

Edited by martin_b
Home made speed corrected as wrong temp and pressure in Sterlok
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