What's the relationship between US Barrel Shrouds and Pike Arms? They both have the micro / Pro barrels in stock at the same exact price. The description text is the same. The only difference is that Pike Arms gives free shipping if you spend $150. Are they in fact the same barrels?
https://shop.usbarrelshrouds.com/UZI...TPI_p_324.html
https://www.pikearms.com/catalog/product/07419