Has anybody run 300 AAC Blackout Go and No-Go gauges on your 300 Whipser and 300/221s

		Quarterbore's Forums > 300 Whisper Forums > 300 Whisper Ammo and Reloading
Has anybody run 300 AAC Blackout Go and No-Go gauges on your 300 Whipser and 300/221s

07-18-2012, 07:35 AM

tp555

Senior Member

Join Date: Jun 2006

Posts: 162

The shoulder of the 300 blk is .004" wider than the 30/221. The original ptg 30/221 is .006" wider. I have all 3 reamers. Big deal is the throat of the 300 blk is deeper. Measured about .100 deeper using 220 grain noses. So use a throat reamer for a touch more depth and your good to go.

« Previous Thread | Next Thread »

Thread Tools
Show Printable Version Email this Page
Display Modes
Switch to Linear Mode Switch to Hybrid Mode Threaded Mode

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 Rules

Forum Jump

All times are GMT -4. The time now is 05:16 AM.

Quarterbore.Net Forums