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

.223 Rem.

Lapua

<< locked >>

4/17/26

1.759" | 44.68mm /

.300 WSM

Norma

<< locked >>

4/17/26

2.090" | 53.09mm /

.223 Rem.

Lapua

<< locked >>

4/17/26

1.752" | 44.50mm /

8.5 x 55 Blaser

Norma

<< locked >>

4/17/26

2.150" | 54.61mm /

.257 Weath. Mag.

Peterson Cartridge

<< locked >>

4/17/26

2.549" | 64.74mm /

6 mm ARC

Hornady

<< locked >>

4/17/26

1.500" | 38.10mm /

6.5-284 Norma

Other

<< locked >>

4/17/26

2.160" | 54.86mm /

9 mm Luger (9 x 19 mm)

Starline Brass

<< locked >>

4/17/26

0.750" | 19.05mm /

9 mm Luger (9 x 19 mm)

Starline Brass

<< locked >>

4/17/26

0.750" | 19.05mm /

9 mm Luger (9 x 19 mm)

Starline Brass

<< locked >>

4/17/26

0.750" | 19.05mm /

9 mm Luger (9 x 19 mm)

Starline Brass

<< locked >>

4/17/26

0.750" | 19.05mm /

9.3 x 62

RWS

<< locked >>

4/17/26

2.440" | 61.98mm /

.280 Ackley Improved

Peterson Cartridge

<< locked >>

4/17/26

2.540" | 64.52mm /

6.5 Creedmoor

Norma

<< locked >>

4/17/26

1.913" | 48.60mm /

6.5 Creedmoor

RWS

<< locked >>

4/17/26

1.913" | 48.60mm /

.300 WSM

Norma

<< locked >>

4/17/26

2.090" | 53.09mm /

7 mm PRC

Hornady

<< locked >>

4/17/26

2.268" | 57.60mm /

6 mm ARC (bolt action rifles only)

Hornady

<< locked >>

4/17/26

1.500" | 38.10mm /

.308 Win.

Lapua

<< locked >>

4/17/26

2.014" | 51.16mm /

6.5 x 68 R

RWS

<< locked >>

4/17/26

2.657" | 67.49mm /

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