- Tufforce's Barrel Thread adapter to Convert From 1/2"-28 to M16x1 RH Male
- Diameter of Internal Hole : 10.5 mm for 7.62 mm, .308, 9mm, .40
- 36 mm /1.42" Length
* Total 3 sizes Barrel thread to M16x1RH Male adapters under TUFFORCE brand as list.
** Shipping from Livonia, MI, USA within 2 days.
*** All international shipping is available via. USPS, but there is no returning or refund service if the shipment is lost outside the USA.