Sigtac factory thread adapter m9x0.75 to 1/2x28 tpi. includes 1/2x28 thread protector. we are an authorized distribution dealer for every manufacturer listed on our site. we buy our product from factory authorized distributors within the usa. all of the product we sell comes with a manufacturers warranty.
- works with sig sauer .22 rimfire threaded barrel conversions kits as a replacement part
- also works with .22lr (mosquito / 522) - m9 x 0.75