Free Shipping & Free Returns*

EXPEDITED SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

Shopping Cart
Government Export Restriction Government Export Restriction
Government Restriction Government Restriction

Save on All Centennial Defense Products!

$14.99 Instant Savings Applied
Get a 12% savings instantly when purchasing this product before December 16th, 2025! Sales price already reflects these instant savings!
117 Models Available
Color
All
Additional Features
All
Search

Product Info for Centennial Defense Systems Lower Parts Kit for Gen 1-3 Glock 17

Upgrade your current Gen 1-3 Glock 17 or complete a new build using our complete lower parts kit with extended controls.image

Specifications for Centennial Defense Systems Lower Parts Kit for Gen 1-3 Glock 17:

Manufacturer: Centennial Defense Systems
Gun Make: Glock
Gun Model: Glock 17
Model Generation: 3, 2, 1

Package Contents:

  • Centennial Defense Systems Lower Parts Kit for Gen 1-3 Glock 17
  • Trigger Housing with OTS
  • Magazine Catch Spring (2.5lb or 5lb)
  • Slide Lock Spring
  • Trigger Spring (5lb or 6lb)
  • 3.5lb Connector
  • Extended Slide Release
  • Extended Mag Release (Serrated or Stippled)
  • Extended Slide Lock Lever
  • Trigger Pin
  • Trigger Housing Pin
  • Locking Block Pin