1/2" - 9/16" Conversion Adapters

Details   Introducing the 1/2-28 to M16 x 1 LH Thread Adapter – the perfect solution for attaching suppressors, muzzle brakes, comps, and other muzzle devices designed for H&K® .45 ACP, KRISS® .45 ACP, left-hand threaded...

Details The 1/2-20 to 1/2-28 Thread Adapter from Infinite is the perfect solution for converting your 1/2-20 barrel threads such as for select CZ 452/455 and TEC 22 threads to the more common 1/2-28 thread. This allows you to use threads compatible with...

Details   The 9/16-24 LH to 5/8-24 Thread Adapter is designed to provide flexibility in attaching accessories to your FN® FAL. It allows for the conversion from 9/16-24 LH threads to US industry standard 5/8-24 threads, making it easier to add...

Convert your 9/16"-24 LH (FN-FAL .308) 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 thread...

Convert your 9/16"-RH (MP5, most .40's) 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 5/8-24 threaded barrel threads to 14mm x 1 LH 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 thread...

Convert your 5/8-24 RH .308, 300 BO, and .30 calibre Muzzle Devices, shrouds and accessories to your newer Ruger .308 barrel threads (confirm your barrel threads first. Not all Ruger .308's are threaded 1/2-24 RH) with this one-of-a-kind 1/2-24 to 5/8-24...

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 1/2"-36 RH (Most 9mm AR-15's, older YHM .300 BLK [Before June 2015]) 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...

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: ...

Extend your internal 3/8"-24 RH barrel threads to 1/2-28 RH for mounting standard .22 accessories such as flash hiders, Muzzle Devices, supressors, or cleaning adapters. This high quality adapter features a durable black oxide steel construction and...