This is a longer rear web belt for M1923 Cartridge or BAR belts which allows the belts to fit waistlines larger than 44".
Size L fits 45-60 inch waists. Extender measures approx. 36 1/2''
Size XL fits 61-70 inch waists. Extender measures approx. 50''
Made in USA.
You only need one of these if your waist is larger than 44 inches!