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

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.

Prvi Partizan

<< locked >>

9/10/25

1.75'' | 44.5 / 20 pcs factory ammo, measured after firing, beofre sizing

6.5 Grendel

Sellier & Bellot

<< locked >>

9/10/25

1.52'' | 38.5 / 20 pieces of factory ammo after fireing, measured after firing/before sizing

8 x 57 IRS

RWS

<< locked >>

9/9/25

/ neu und vollkalibriert

8 x 57 IRS

Lapua

<< locked >>

9/9/25

2.23'' | 56.7 / Neu

7 x 64 Brenneke

Geco

<< locked >>

9/7/25

.243 Ackley Improved

Norma

<< locked >>

9/6/25

/ Fireformed

.243 Ackley Improved

Sellier & Bellot

<< locked >>

9/6/25

/ Fireformed

.223 Ackley Improved

Lapua

<< locked >>

9/6/25

2.01'' | 51.01 / Fireformed

.17 Hornet

Hornady

<< locked >>

9/2/25

1.70'' | 43.2 / Einmal abgefeuert

6.5 Creedmoor

Hornady

<< locked >>

9/1/25

1.56'' | 39.6 / Once Fired

.30-06 Spring.

Hornady

<< locked >>

9/1/25

2.48'' | 63.0 / Once Fired

.30-06 Spring.

Hornady

<< locked >>

9/1/25

2.48'' | 63.0 / New Brass

.30-06 Spring.

Starline Brass

<< locked >>

9/1/25

2.48'' | 63.0 / New Brass

7 x 64 Brenneke

RWS

<< locked >>

8/29/25

2.50'' | 63.6 / used brass

.223 Rem.

Sellier & Bellot

<< locked >>

8/27/25

1.75'' | 44.46 /

.223 Rem.

Prvi Partizan

<< locked >>

8/27/25

1.75'' | 44.53 / Re-used brass

.357 Magnum

Sellier & Bellot

<< locked >>

8/26/25

1.28'' | 32.55 /

.308 Win.

Norma

<< locked >>

8/25/25

2.01'' | 51.1 /

7 x 57

Sellier & Bellot

<< locked >>

8/24/25

2.240'' | 56.9 / re-used brass

.223 Rem.

Wolf

<< locked >>

8/24/25

/ Wolf 223 rem brass

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