CVA AC1678A 209 Breech Plug Optima/Kodiak Stainless Steel Silver 1
The Hexhead Replacement Breech plug is only for Pivot-Action and Break-Actions made in *2009 and before, these models would include: Optima Optima Pro Wolf Kodiak Kodiak Pro. The last two numbers of your serial number indicate the year your model was made- Example 61-13-??????-01 this model was made in 2001