Warning

 

Close

Confirm Action

Are you sure you wish to do this?

Confirm Cancel
BCM
User Panel

Site Notices
Posted: 3/29/2009 9:22:08 AM EDT
Anyone know what the twist rate on the STG-556 is? Its not listed on specifications page of msarinc.com
Link Posted: 3/29/2009 9:34:23 AM EDT
[#1]
Current mfg STG's are 1-8.... I believe their 20" bbl is the same.

There *may* have been some real early ones in 1-9 but this is for someone else to answer.
Link Posted: 3/29/2009 9:39:08 AM EDT
[#2]



Quoted:


Current mfg STG's are 1-8.... I believe their 20" bbl is the same.



There *may* have been some real early ones in 1-9 but this is for someone else to answer.


I have an early LE OD and the barrel is indeed marked 1/9.



 
Link Posted: 3/29/2009 9:40:18 AM EDT
[#3]
my serial is in the 13xx range and I have a 1:8....I dont know exactly when the switch was made (passes question to dave) but i can tell you all after the serial i have, have a 1:8
Link Posted: 3/29/2009 9:52:03 AM EDT
[#4]
My 20" has a 1:8 also (Gen IV).
Close Join Our Mail List to Stay Up To Date! Win a FREE Membership!

Sign up for the ARFCOM weekly newsletter and be entered to win a free ARFCOM membership. One new winner* is announced every week!

You will receive an email every Friday morning featuring the latest chatter from the hottest topics, breaking news surrounding legislation, as well as exclusive deals only available to ARFCOM email subscribers.


By signing up you agree to our User Agreement. *Must have a registered ARFCOM account to win.
Top Top