• Watch Out for Scammers!

    We've now added a color code for all accounts. Orange accounts are new members, Blue are full members, and Green are Supporters. If you get a message about a sale from an orange account, make sure you pay attention before sending any money!

  • Site updates coming next Wednesday at 8am CT!

    The site will be down for routine maintenance on Wednesday 6/5 starting at 8am CT. If you have any questions, please PM alexj-12!

? Accuracy International Barrel Help

cp3head

Sergeant
Full Member
Minuteman
Jun 23, 2010
470
30
Pennsylvania
Hello Hide. I am looking for some help in identifying a barrel I picked up in a lot. It is clearly marked Gradous as well as the caliber. The specs are as follows:

2mm thread pitch, 27 mm diameter tenon by 38 mm long. It appears to be a Palma contour and has 5/8 x 24 threading at the end.

Is this an accuracy international barrel? If yes, are all accuracy international barrels the same (meaning aiax and at and older ai aeiii etc... )?

I would appreciate any assistance anyone can provide. Thank you all in advance.