Case Capacities - Reloading Brass
We like to collect the case capacity of as many calibers and brass manufacturers as possible to provide even more accurate load data and to help the entire xxlreloading.com community make more educated and better decisions. Once we have sufficient data points, we will add the data to our caliber and load data. Please share your case capacity data below if you have measured your brass!

1) Please mention if you measured new, unused brass or re-used brass, etc.
Submissions
You need to have an access license and at least contributed one case capacity submission to unlock the data.
Caliber
Brass
Case Capacity
Added
CL/Comment
.308 Win.
Lapua
<< locked >>
4/17/26
2.004" | 50.90mm /
6 mm Creedmoor
Lapua
<< locked >>
4/17/26
1.913" | 48.58mm /
6.5 PRC
Norma
<< locked >>
4/17/26
2.016" | 51.20mm /
6 mm XC
Norma
<< locked >>
4/17/26
1.901" | 48.29mm /
6 mm Creedmoor
Starline Brass
<< locked >>
4/17/26
1.920" | 48.77mm /
7 mm-08 Rem.
Other
<< locked >>
4/17/26
2.035" | 51.69mm /
7 mm PRC
Hornady
<< locked >>
4/17/26
2.280" | 57.90mm /
.300 Win. Mag.
Peterson Cartridge
<< locked >>
4/17/26
2.620" | 66.55mm /
.300 Win. Mag.
Peterson Cartridge
<< locked >>
4/17/26
2.620" | 66.55mm /
6.5 Creedmoor
Lapua
<< locked >>
4/17/26
1.920" | 48.77mm /
6.5 PRC
Lapua
<< locked >>
4/17/26
2.022" | 51.36mm /
.375 CheyTAC
Peterson Cartridge
<< locked >>
4/17/26
3.020" | 76.71mm /
.300 Rem. Ultra Mag
Remington
<< locked >>
4/17/26
2.850" | 72.39mm /
.300 Rem. Ultra Mag
Remington
<< locked >>
4/17/26
2.850" | 72.39mm /
6 mm GT
Alpha Munitions
<< locked >>
4/17/26
1.725" | 43.81mm /
7 mm PRC
Peterson Cartridge
<< locked >>
4/17/26
2.280" | 57.91mm /
.308 Win.
RWS
<< locked >>
4/17/26
2.012" | 51.10mm /
.223 Rem.
Lapua
<< locked >>
4/17/26
1.759" | 44.68mm /
.300 PRC
Hornady
<< locked >>
4/17/26
2.575" | 65.40mm /
8.6 mm Blackout
Other
<< locked >>
4/17/26
1.685" | 42.80mm /
<< locked >> =you need an access license and at least have contributed one case capacity to view this data.