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Reloading data including new caliber 6mm GT

February 24, 2026

A much anticipated data update has come your way, including reloading data for new caliber 6mm GT, also including lines for .223 Remington, 6,5 Creedmoor, .260 Remington and 6.8 Western and new bullets by Berger, CopperBear, Hornady, Sako, Sierra and Nosler.

All the updated lines are available on both our website and the free-of-charge Vihtavuori Reload App. You can find all the updated lines in our online reloading data search tool! The new reloading data lines will be displayed in orange color both in the tool as well as in the app.

Presenting new reloading data for the following calibers:

.223 Remington:

  • 4,4 g / 68 gr Hornady BTHP Match with N133, N135, N140, N150 and N540 VV powders
  • 5,0 g / 77 gr Sierra TMK with N140 VV powder

NEW! 6mm GT:

  • 4,2 g / 65 gr Berger BT Target with N135, N140, N150, N540 and N550 VV powders
  • 5,7 g / 87 gr Berger VLD Hunting with N140, N150, N160, N540 and N550 VV powders
  • 5,8 g / 90 gr Lapua OTM Scenar-L with N140, N150, N160, N540, N550, N555 and N560 VV powders
  • 6,2 g / 95 gr Berger Classic Hunter with N140, N150, N160, N540, N550, N555 and N560 VV powders
  • 6,8 g / 105 gr Lapua OTM Scenar-L with N140, N150, N160, N540, N550, N555 and N560 VV powders
  • 6,9 g / 107 gr Sierra HPBT MatchKing with N140, N150, N160, N540, N550, N555 and N560 VV powders
  • 7,0 g / 108 gr Berger BT Target with N140, N150, N160, N540, N550, N555 and N560 VV powders
  • 7,5 g / 115 gr Nosler RDF with N140, N150, N160, N540, N550, N555 and N560 VV powders

6,5 Creedmoor:

  • 9,3 g / 144 gr Lapua MaxRange Target GB582 with N140 VV powder

.260 Remington:

  • 8,0 g / 123 gr Hornady ELD Match with N140, N150, N160, N540, N550, N555 and N560 VV powders
  • 9,0 g / 139 gr Brenneke TOG with N160, N550, N555 and N560 VV powders
  • 9,1 g / 140 gr Hornady BTHP Match with N140, N150, N160 and N540 VV powders

6.8 Western:

  • 7,8 g / 120 gr Sako Blade Pro 654B with N150, N160, N165, N550, N555 and N560 VV powders
  • 8,4 g / 130 gr Hornady InterLock SP with N160, N165, N550, N555 and N560 VV powders
  • 8,4 g / 130 gr Nosler Accubond with N160, N165, N170, N550, N555, N560 and N565 VV powders
  • 8,4 g / 130 gr Nosler Partition with N160, N165, N550, N555 and N560 VV powders
  • 8,7 g / 135 gr Sierra MKX with N160, N165, N550, N555, N560 and N565 VV powders
  • 9,1 g / 140 gr Berger VLD Hunting with N160, N165, N170, N550, N555 and N560VV powders
  • 9,1 g / 140 gr Sierra TGK with N160, N165, N550, N555, N560 and N565 VV powders
  • 9,8 g / 152 gr CopperBear EXHBT with N160, N165, N170, N555, N560, N565 and N570 VV powders
Reloading Guide for handloaders - Vihtavuori