Items Available For Purchase Today Object reference not set to an instance of an object. See All K-31 Threading Tool For Sale from: LDuay | No feedback Yet View | View Sellers Items K-31 Threading Tool For Sale from: LDuay | No feedback Yet View | View Sellers Items LDuay Seller Since: Oct. 2010 This seller is NOT an FFL City: Kingman State: AZ SOLD - $50.00 Shipping: Calculated on checkout Accepted Payment Methods: Returns: No Returns Description: This is a dedicated threading system for the Swiss K31 rifle. The kit is designed to thread K-31 muzzles to accept the St. Marie/Swiss Products Barrel Damper and the Muzzle Break. I used it one time and worked well. Condition: Used, As New Item #: 997599985 Location: AZ Trades Accepted: Share: Shipping Notes: Free Shipping inside the continental U.S. Items You've Viewed Recently K-31 Threading Tool $50.00 SELLER: LDuay Add To Cart