The Firing Line Forums

Go Back   The Firing Line Forums > The Skunkworks > Handloading, Reloading, and Bullet Casting

Thread Tools Search this Thread
Old December 8, 2012, 01:58 PM   #1
Senior Member
Join Date: January 10, 2012
Posts: 3,504
RCBS small powder drum ?

For reloading small rifle and pistol, does the rcbs small powder drum work well and is it more accurate than the large drum ?
rebs is offline  
Old December 8, 2012, 06:25 PM   #2
Join Date: March 4, 2005
Location: Ohio
Posts: 13,722
It is generally easier to use the small chamber accurately for light loads because it gives you finer adjustment of the charge volume. This is not just a matter of the graduations, but also because an adjustment that is only a couple turns from bottoming out changes the total volume 50% when you turn it in one turn, while one that is five turns from the bottom changes the volume only 20% when you run it in one turn. The adjustment is finer and easier to control in both senses.

In addition, a nearly bottomed out adjustment also has a higher percentage of the volume that is bottom corner and top scrape-off surface. Those are both places vulnerable to variances in powder bulk density due to how grains stack or lean and how scraping disturbs them.
Gunsite Orange Hat Family Member
CMP Certified GSM Master Instructor
NRA Certified Rifle Instructor
NRA Benefactor Member
Unclenick is offline  

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

All times are GMT -5. The time now is 11:57 AM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
This site and contents, including all posts, Copyright © 1998-2017 S.W.A.T. Magazine
Copyright Complaints: Please direct DMCA Takedown Notices to the registered agent:
Contact Us
Page generated in 0.05183 seconds with 9 queries