Glock Factory Locking Block Glock 17, 17L, 34, 20, 21, 21SF, 37 (3 pin model)

• Manufacturer #: 1447

Locking Block –  G17-G17L-G17Gen4-G20-G20SF-G20Gen4-G21-G21SF-G21SF Ambi-G21Gen4-G22-G24-G31-G34-G34Gen4-G35-G35Gen4-G37-G37Gen4 - fits only current models (mid-2002 & later)

This Glock Factory Locking Block for the Glock 17, 17L, 34, 20, 21, 21SF, 37 (3 pin model) replacement part is a factory original from Glock. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts which guarantees excellent fit and reliable operation

• This replacement part is a factory original from Glock. Factory replacement parts are manufactured to the exact same specifications and tolerances and use the same manufacturing materials as the original parts which guarantees excellent fit and reliable operation. Some parts may need to be installed by a qualified gunsmith.

  NOTE:  This item will only work with 3 pin model Glocks gen 3 and 4.