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Customer Reviews
Most Recent Reviews
Must be used with metal mags by That Guy, Verified Owner, January 19, 2026
Quickly wears down the catch on polymer mags. Makes polymer mags (OEM or Aftermarket) ONE TIME USE.
Most Recent Reviews
Must be used with metal mags by That Guy, Verified Owner, January 19, 2026
Quickly wears down the catch on polymer mags. Makes polymer mags (OEM or Aftermarket) ONE TIME USE.
Read All 2 Reviews

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Product Info for Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5

The Centennial Defense Systems extended magazine release is machined from high quality 6061 aluminum and allows for easier and faster mag swaps. It is designed to fit in most holsters and will fit Gen 4-5 Glock models in 9mm, .40 S&W, .357 Sig. Included with the magazine release is our stainless steel mag catch spring available in the stock 5lb or reduced 2.5lb weight. The reduced 2.5lb spring cuts the weight in half for quicker mag drops and less resistance during magazine swaps.image

Note: Will NOT fit G42, G43 or Gen 1-3 pistols.

Specifications for Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5:

Manufacturer: Centennial Defense Systems
Gun Make: Glock
Gun Model: Glock 25, Glock 35, Glock 34, Glock 24, Glock 22, Glock 17, Glock 33, Glock 27, Glock 26, Glock 32, Glock 31, Glock 23, Glock 19
Fabric/Material: 6061 Aluminum
Condition: New

Package Contents:

  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5

Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 Orderable Models

List of Orderable Models

  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Stippled, Black, 20724 , MPN: 20724 , UPC: 713310806117 , Code: 50O-EMR-CD17-20724
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Serrated, Purple, 20719 , MPN: 20719 , UPC: 713310806063 , Code: 50O-EMR-CD17-20719
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Serrated, Gold, 20744 , MPN: 20744 , UPC: 713310806315 , Code: 50O-EMR-CD17-20744
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Stippled, Gold, 20729 , MPN: 20729 , UPC: 713310806162 , Code: 50O-EMR-CD17-20729
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Serrated, Black, 20709 , MPN: 20709 , UPC: 713310805967 , Code: 50O-EMR-CD17-20709
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Stippled, Blue, 20725 , MPN: 20725 , UPC: 713310806124 , Code: 50O-EMR-CD17-20725
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Serrated, OD Green, 20717 , MPN: 20717 , UPC: 713310806049 , Code: 50O-EMR-CD17-20717
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Stippled, Black, 20754 , MPN: 20754 , UPC: 713310806414 , Code: 50O-EMR-CD17-20754
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Serrated, Red, 20750 , MPN: 20750 , UPC: 713310806377 , Code: 50O-EMR-CD17-20750
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Stippled, Hi-Viz Orange, 20730 , MPN: 20730 , UPC: 713310806179 , Code: 50O-EMR-CD17-20730
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Stippled, Red, 20735 , MPN: 20735 , UPC: 713310806223 , Code: 50O-EMR-CD17-20735
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Stippled, Burnt Bronze, 20726 , MPN: 20726 , UPC: 713310806131 , Code: 50O-EMR-CD17-20726
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Stippled, Nickel, 20731 , MPN: 20731 , UPC: 713310806186 , Code: 50O-EMR-CD17-20731
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Stippled, Glock Gray, 20727 , MPN: 20727 , UPC: 713310806148 , Code: 50O-EMR-CD17-20727
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Stippled, Satin Aluminum, 20736 , MPN: 20736 , UPC: 713310806230 , Code: 50O-EMR-CD17-20736
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Serrated, Hi-Viz Orange, 20745 , MPN: 20745 , UPC: 713310806322 , Code: 50O-EMR-CD17-20745
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Serrated, Nickel, 20746 , MPN: 20746 , UPC: 713310806339 , Code: 50O-EMR-CD17-20746
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Serrated, Pink, 20748 , MPN: 20748 , UPC: 713310806353 , Code: 50O-EMR-CD17-20748
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Stippled, Zombie Green, 20768 , MPN: 20768 , UPC: 713310806551 , Code: 50O-EMR-CD17-20768
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Serrated, White, 20722 , MPN: 20722 , UPC: 713310806094 , Code: 50O-EMR-CD17-20722
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Stippled, Red, 20765 , MPN: 20765 , UPC: 713310806520 , Code: 50O-EMR-CD17-20765
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Stippled, OD Green, 20732 , MPN: 20732 , UPC: 713310806193 , Code: 50O-EMR-CD17-20732
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Serrated, Burnt Bronze, 20711 , MPN: 20711 , UPC: 713310805981 , Code: 50O-EMR-CD17-20711
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Serrated, Zombie Green, 20753 , MPN: 20753 , UPC: 713310806407 , Code: 50O-EMR-CD17-20753
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Stippled, OD Green, 20762 , MPN: 20762 , UPC: 713310806490 , Code: 50O-EMR-CD17-20762
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Stippled, Glock Tan, 20758 , MPN: 20758 , UPC: 713310806452 , Code: 50O-EMR-CD17-20758
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Stippled, Pink, 20763 , MPN: 20763 , UPC: 713310806506 , Code: 50O-EMR-CD17-20763
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Stippled, Nickel, 20761 , MPN: 20761 , UPC: 713310806483 , Code: 50O-EMR-CD17-20761
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Serrated, Glock Gray, 20742 , MPN: 20742 , UPC: 713310806292 , Code: 50O-EMR-CD17-20742
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Serrated, Black, 20739 , MPN: 20739 , UPC: 713310806261 , Code: 50O-EMR-CD17-20739
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Stippled, Satin Aluminum, 20766 , MPN: 20766 , UPC: 713310806537 , Code: 50O-EMR-CD17-20766
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Serrated, Glock Tan, 20743 , MPN: 20743 , UPC: 713310806308 , Code: 50O-EMR-CD17-20743
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Serrated, Glock Tan, 20713 , MPN: 20713 , UPC: 713310806001 , Code: 50O-EMR-CD17-20713
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Stippled, Glock Gray, 20757 , MPN: 20757 , UPC: 713310806445 , Code: 50O-EMR-CD17-20757
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Serrated, White, 20752 , MPN: 20752 , UPC: 713310806391 , Code: 50O-EMR-CD17-20752
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Stippled, Blue, 20755 , MPN: 20755 , UPC: 713310806421 , Code: 50O-EMR-CD17-20755
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Stippled, Pink, 20733 , MPN: 20733 , UPC: 713310806209 , Code: 50O-EMR-CD17-20733
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Stippled, Purple, 20764 , MPN: 20764 , UPC: 713310806513 , Code: 50O-EMR-CD17-20764
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Serrated, Zombie Green, 20723 , MPN: 20723 , UPC: 713310806100 , Code: 50O-EMR-CD17-20723
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Serrated, Blue, 20740 , MPN: 20740 , UPC: 713310806278 , Code: 50O-EMR-CD17-20740
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Serrated, Satin Aluminum, 20721 , MPN: 20721 , UPC: 713310806087 , Code: 50O-EMR-CD17-20721
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Serrated, Glock Gray, 20712 , MPN: 20712 , UPC: 713310805998 , Code: 50O-EMR-CD17-20712
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Stippled, White, 20767 , MPN: 20767 , UPC: 713310806544 , Code: 50O-EMR-CD17-20767
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Stippled, Gold, 20759 , MPN: 20759 , UPC: 713310806469 , Code: 50O-EMR-CD17-20759
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Stippled, White, 20737 , MPN: 20737 , UPC: 713310806247 , Code: 50O-EMR-CD17-20737
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Stippled, Purple, 20734 , MPN: 20734 , UPC: 713310806216 , Code: 50O-EMR-CD17-20734
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Serrated, Hi-Viz Orange, 20715 , MPN: 20715 , UPC: 713310806025 , Code: 50O-EMR-CD17-20715
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Serrated, Burnt Bronze, 20741 , MPN: 20741 , UPC: 713310806285 , Code: 50O-EMR-CD17-20741
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Stippled, Hi-Viz Orange, 20760 , MPN: 20760 , UPC: 713310806476 , Code: 50O-EMR-CD17-20760
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Serrated, Blue, 20710 , MPN: 20710 , UPC: 713310805974 , Code: 50O-EMR-CD17-20710
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Serrated, Gold, 20714 , MPN: 20714 , UPC: 713310806018 , Code: 50O-EMR-CD17-20714
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Serrated, OD Green, 20747 , MPN: 20747 , UPC: 713310806346 , Code: 50O-EMR-CD17-20747
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Serrated, Nickel, 20716 , MPN: 20716 , UPC: 713310806032 , Code: 50O-EMR-CD17-20716
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Stippled, Burnt Bronze, 20756 , MPN: 20756 , UPC: 713310806438 , Code: 50O-EMR-CD17-20756
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Serrated, Red, 20720 , MPN: 20720 , UPC: 713310806070 , Code: 50O-EMR-CD17-20720
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Serrated, Purple, 20749 , MPN: 20749 , UPC: 713310806360 , Code: 50O-EMR-CD17-20749
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Stippled, Glock Tan, 20728 , MPN: 20728 , UPC: 713310806155 , Code: 50O-EMR-CD17-20728

Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Serrated, Gold, 20714 , MPN: 20714-EDEMO , Code: 50O-EMR-CD17-20714-EDEMO-IN-D
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 10mm, .45ACP Glock, Serrated, Satin Aluminum, 20751 , MPN: 20751 , UPC: 713310806384 , Code: 50O-EMR-CD17-20751
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Stippled, Zombie Green, 20738 , MPN: 20738 , UPC: 713310806254 , Code: 50O-EMR-CD17-20738
  • Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 9mm, .40S&W, .357SIG Glock, Serrated, Pink, 20718 , MPN: 20718 , UPC: 713310806056 , Code: 50O-EMR-CD17-20718
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