40mm Insert
- Allows use of 12ga shotshell type ammunition when inserted into chamber of 40 x 46mm grenade launchers
- Precision machined from solid billet aluminum
- Hardcoat
anodized to MIL-A-8625 Type III Class 2.
- ALL NFA rules & regulations apply
- Comes in at 9.1oz
Not recommended for use with 12ga slug or magnum ammunition.
Made in USA