NDZ Black Internal Slide Parts Kit for Glock .40 .357 GEN 1-4

Designed to fit Glock Gen 1-4 Models: G22, G23, G24, G27, G31, G32, G33, G35.

Rebuild your Glock .40 or .357 Gen 1–4 slide with the NDZ Black Internal Slide Parts Kit, complete with OEM-spec components for reliable function and smooth performance. Perfect for DIY Glock upgrades, maintenance, or performance builds. Made for shooters who demand function and durability. Whether you're replacing worn parts or building from the ground up, this kit includes everything you need for a full slide refresh.

Kit Includes:

• Firing Pin (.40 Cal) – SP04270

• Firing Pin Spring – SP00063

• Firing Pin Spacer Sleeve – SP00056

• Firing Pin Channel Liner – SP01148

• Spring Cups – SP00070

• Extractor – SP01899

• Extractor Depressor Plunger – SP00112

• Extractor Depressor Plunger Spring – SP00119

• Spring Loaded Bearing LCI – SP03439

• Firing Pin Safety Plunger – SP00077

• Firing Pin Safety Plunger Spring – SP00091

• NDZ Rear Slide Plate – Black

Why Choose NDZ:

• Precision fit for Glock .40 & .357 Gen 1–4 models

• Includes all key internal slide components

• Quality-tested for reliability and longevity

• NDZ Rear Plate adds a custom finishing touch

See our complete line of Glock Gen 1-4 Products here

Note: NDZ always recommends any part be installed by a qualified and trained gunsmith. NDZ promotes the use of safety practices and gear when working on any firearm.