Metric Thread Conversion Adapters

Convert your Sig Sauer and Glock 9mm (left handed) 9mm barrels to your .223 (5.56), 9mm, or .22 accessories with this 13.5mm x 1 LH thread adapter! Made out of black oxidized steel, this is the perfect solution for this specific accessory...

Convert your 13mm x 1 LH (Steyr AUG .223 /5.56) barrel threads to 1/2"-28 RH with this premium black stainless steel thread adapter from Infinite Product Solutions! Compatible with both rifle and pistol threads, this is the perfect solution for this...

Convert your 13mm x 1 LH (Steyr AUG .223 /5.56) barrel threads to 1/2"-28 RH with this premium stainless steel thread adapter from Infinite Product Solutions! Compatible with both rifle and pistol threads, this is the perfect solution for this particular...

Convert your 13mm x 1 RH (Older Galil [.223, 5.56, .308, 7.62x39] and Arsenal Strike One) barrel threads to 1/2"-28 RH with this premium black stainless steel thread adapter from Infinite Product Solutions! Compatible with both rifle and pistol threads,...

Convert your 13mm x 1 RH (Older Galil [.223, 5.56, .308, 7.62x39] and Arsenal Strike One) barrel threads to 1/2"-28 RH with this premium stainless steel thread adapter from Infinite Product Solutions! Compatible with both rifle and pistol threads, this...

Convert your 14mm x 1 LH (AK-47 and AK-M) barrel threads to 5/8"-24 RH with this premium black stainless steel thread adapter from Infinite Product Solutions! Compatible with both rifle and pistol threads, this is the perfect solution for this particular...

Convert your 14mm x 1 LH (AK-47 and AK-M) barrel threads to 5/8"-24 RH with this premium stainless steel thread adapter from Infinite Product Solutions! Compatible with both rifle and pistol threads, this is the perfect solution for this particular...

Convert your 14mm x 1 RH (select SKS, SA VZ-58, and Century VZ208) barrel threads to 1/2"-28 RH with this premium black stainless steel thread adapter from Infinite Product Solutions! Compatible with both rifle and pistol threads, this is the perfect...

Convert your 14mm x 1 RH (select SKS, SA VZ-58, and Century VZ208) barrel threads to 1/2"-28 RH with this premium stainless steel thread adapter from Infinite Product Solutions! Compatible with both rifle and pistol threads, this is the perfect solution...

Convert your 15mm x 1 RH (H&K 91, 93, 33, G3, G53 - including Cetme and select PTR) barrel threads to 5/8"-24 RH with this premium black stainless steel thread adapter from Infinite Product Solutions! Compatible with both rifle and pistol threads,...

Convert your 15mm x 1 RH (H&K 91, 93, 33, G3, G53 - including Cetme and select PTR) barrel threads to 5/8"-24 RH with this premium stainless steel thread adapter from Infinite Product Solutions! Compatible with both rifle and pistol threads, this is...

Convert your 16mm x 1 LH (HK45 Tactical, Kriss Vector .45) barrel threads to .578"-28 RH with this premium black stainless steel thread adapter from Infinite Product Solutions! Compatible with both rifle and pistol threads, this is the perfect solution...