Check the listing for details. 1/2''x28 & 5/8''x24 Thread Muzzle Brake For 5.7x28 & 9mm, Steel. Condition: New. Listed at 35.99 USD. OVERVIEW: Thread Pitch: 1/2''x28 TPI For 5.7x28 Length : 2-1/4" Width : 1-1/4"Weight : 4.3 ozThread Pitch: 5/8''x24 TPIFor 9mm Length : 2-1/4" Width : 1-1/4"Weight : 4.3 oz Materials: Steel • High quality steel construction with Phosphate finish and CNC machined tech , Crush washer included.PaymentWe accept payment by any criedit cards only.All orders before 2pm(PST) will be shipped in the same dayNo shipping on Saturday,Sunday or Public Holidays & No responsibility for any customs duty.Shipping & HandlingWe ship the same business day if paid by 2pm PST.No shipping on Weekend or Public Holidays & No responsibility for any customs duty.Returns PolicyWe offer a 30 day money back guarantee or exchange.Buyer pays return shipping and we pay replacement shipping.If you want to initiate a return,please contact us to get a returning address before sending the item back.Contact USWe hope that every transaction can have a happy ending. And if you have any more problems, please contact us. we'll do what we can to help.FeedbackWe believe communication can result in a happier ending before you leave a red or gray feedback.