1. Oil filter Adapter for Solvent Trap and Muzzle Brake , 
<br />Internal Thread:  1/2"-28
<br />       External Thread: 3/4"-16, As same as Oil Filter thread2. CNC Machining, Steel, Black.
<br />3. Shipping from Michigan , USA , Delivery in 2-3 days.
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<br /> **Dealer price available for over 10 pcs order, send email to sales@tufforce.com