6.5 Creedmoor: Heavy and Slow or Light and Fast

Heavy and Slow or Light and Fast

  • Heavy and Slow

    Votes: 11 68.8%
  • Light and Fast

    Votes: 5 31.3%

  • Total voters
    16
Joined
Dec 28, 2019
Messages
2,217
Two options for 20" 6.5 Creedmoor:

Heavy and Slow (147 ELDM)

Light and Fast (130 TMK, OTM)

What's your choice? I like heavy and slow cause the high BC bullets buck the wind at long range.
 

plebe

WKR
Joined
Jan 15, 2021
Messages
351
 

khuber84

WKR
Joined
Jun 6, 2019
Messages
1,945
Check your mv at 600y, that's the control here. Mv needed to initiate expansion. A 20" should get a 130tmk running 2800+. The tmk bullets from all accounts and reading(77tmk threads) have a lower mv threshold for terminal results. I'd likely go light and fast myself. If I was looking to kill relaibale from a short barrel 6.5mm further than 600y, I'd be on a magnum bolt face to keep mv up.

This is where the 6cm shines. Relative slippery heavy for cal bullets that still run 2850-2950mv from 18-20" barrels. You have enough mv to get expension out to 800y or more, along with low recoil.
 

peterk123

WKR
Joined
Sep 7, 2020
Messages
482
Location
Montana
Whichever gives you the most consistent accuracy. 140 to 143 grain seems to be the sweet spot for most 6.5cm rifles.
 
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