Original sentence: However, some pocket pistols, often those of lesser caliber, are referred to as mouseguns, which sometimes is considered a pejorative term among those who prefer larger caliber pistols, although not among those who prefer smaller caliber pistols for deeper concealment
Edited sentence: However, some pocket pistols, often those of lesser caliber, are referred to as mouseguns, which sometimes is considered a pejorative term among those who prefer larger caliber pistols, although not among those who prefer smaller caliber  and better made pistols for deeper concealment