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!

Case Capacity (GoW)

Case Length

Comment¹

measured calibrated

new 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

.224 Valkyrie

<< locked >>

4/5/26

1.590'' | 40.4 / once fired

.224 Valkyrie

Starline Brass

<< locked >>

4/5/26

1.590'' | 40.4 / once fired

8.5 x 55 Blaser

Sax

<< locked >>

3/27/26

2.15'' | 54.6 /

5.6 x 57

<< locked >>

3/22/26

/

5.6 x 57

<< locked >>

3/22/26

/

8.5 x 63

Sax

<< locked >>

3/16/26

/

.260 Rem.

Remington

<< locked >>

3/16/26

2.03'' | 51.6 / Entered GoW is the average out of 10 measurements, once-fired brass

.32 S&W Long Wad Cut.

Lapua

<< locked >>

3/8/26

/

.308 Win.

Norma

<< locked >>

3/5/26

2.01'' | 51.1 /

6.5 Grendel

Alexander Arms

<< locked >>

3/3/26

/

.223 Rem.

Winchester

<< locked >>

3/1/26

1.76'' | 44.7 / Once fired, trimmed, F/L Sized

6.5 Creedmoor

Peterson Cartridge

<< locked >>

3/1/26

1.920'' | 48.8 /

7 mm Rem. Mag.

Remington

<< locked >>

2/25/26

3.29'' | 83.6 /

.30-06 Spring.

SAKO

<< locked >>

2/19/26

63.02'' | 1600.7 / Fabriksladung uncalibrated, fired in Sauer 202

7 mm-08 Rem.

Hornady

<< locked >>

2/16/26

/

7.62 x 53 R Fin.

Lapua

<< locked >>

2/15/26

2.11'' | 53.49 /

.30-06 Spring.

PMP

<< locked >>

2/13/26

2.48'' | 63.1 / Re-used

7 mm Rem. Mag.

Peterson Cartridge

<< locked >>

2/13/26

2.49'' | 63.22 / 7RM Long, after 1st Load in K95, uncalibradet

.30-06 Ackley Improved

SAKO

<< locked >>

2/13/26

2.48'' | 62.94 / Fabriksladung 30.06 Fireformed uncalobrated

.308 Win.

Sellier & Bellot

<< locked >>

2/12/26

2.01'' | 51 /

<< locked >> =you need an access license and at least have contributed one case capacity to view this data.