YHM-4370-A View cart “YHM Yankee Hill Machine .22 Stinger Sound Suppressor 5.5 Inches Long 1/2-28 TPI Matte Black – All NFA Rules Apply” has been added to your cart. Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sale! IN STOCKYHM Yankee Hill Machine .22 Stinger Sound Suppressor 5.5 Inches Long 1/2-28 TPI Matte Black – All NFA Rules Apply $276.50 Original price was: $276.50.$248.85Current price is: $248.85. Add to cart