Complex sentence: It later sold an American-made version in 1994, all stainles steel in 9 m/m, as the American Eagle Luger in 4 "and 6" barrels.
Split into simpler sentences: It later sold an American-made version of the Luger in 1994. The pistol was all stainless steel in 9 m/m, as the American Eagle Luger in 4 "and 6" barrels.