+3 SEG H PISTOL Suppressor Pistons and Parts SEG-H $0.00 In stock Quantity: 1 Add to Bag Product Details You can purchase new replacement parts here: PISTONS for GEN1 and GEN2 1/2-28 9/16-24 37/64-28 (0.578-28) BOOSTER CAGE for GEN1 only RETAINER for GEN1 and GEN2 END CAPS for GEN1 only 9mm 45cal SPRING for GEN1 and GEN2 For threaded retainer and spacer, please see this listing for Fixed Barrel Kit. For any other parts or repairs, please contact us for instructions. Save this product for later Favorite ****Free Shipping does not apply to NFA items****