The Brownells Remington 870/1100 Magazine Spring Retainer Tool has an internal taper on the sleeve guides spring into position without damaging spring, gun or yourself. (Especially critical with new-production heavier springs.) Fits all Remington 870 and Pre-'87 1100s.

Remington 870/1100 Magazine Spring Retainer Tool dimensions: 7” (17.8cm) overall length x 1.5” (3.8cm) diameter handle, 1.08” (2.7cm) inside diameter retainer sleeve