1/2" - 9/16" Conversion Adapters

Convert your 9/16"-24 RH (.40 caliber Glock 22, Glock 20, Kel-Tec Sub-2000, Ruger Mini-14 [before 7/10/09] L1A1, US M1/A1) barrel threads to .578"-28 RH with this premium black stainless steel thread adapter from Infinite Product Solutions! Compatible...

Convert your 9/16"-24 RH (.40 caliber Glock 22, Glock 20, Kel-Tec Sub-2000, Ruger Mini-14 [before 7/10/09] L1A1, US M1/A1) barrel threads to .578"-28 RH with this premium stainless steel thread adapter from Infinite Product Solutions! Compatible with...

Convert your .223 (5.56), 9mm, or .22 accessories to .578-28 RH with this premium thread adapter! Made out of black oxidized steel, this is the perfect solution for this specific accessory adaptation!   Inner Threads: 1/2-28 RH Outer Threads: ...

Convert your .223 (5.56), 9mm, or .22 accessories to .578-28 RH with this premium thread adapter! Made out of black oxidized steel, this is the perfect solution for this specific accessory adaptation!   Inner Threads: 1/2-28 RH Outer Threads: ...