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CENTENNIAL DEFENSE SYSTEMS

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  4. Glock 21

Glock 21

Enhance the performance and reliability of your Glock 21 with high-quality accessories from Centennial Defense Systems. Designed for power and precision, the Glock 21’s .45 ACP caliber benefits from precision upgrades that improve handling, function, and durability. Our selection includes extended slide releases for smooth, quick operation, and extractors for reliable cycling. Upgrade your recoil management with guide rod recoil springs that reduce muzzle flip and improve follow-up shot accuracy. Each accessory is engineered for seamless compatibility and built with premium materials for long-lasting performance. 

Fine-tune your Glock 21 with parts that deliver the performance you demand. At Centennial Defense Systems, we offer trusted tools and upgrades to maximize your Glock 21's potential, ensuring peak performance with every shot.

Products [53]

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CDS Stainless Steel Pin Kit For Gen 1-5 Glock
CDS Stainless Steel Pin Kit For Gen 1-5 Glock
$12.95
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CDS Guide Rod Recoil Spring For Standard Frame Gen 1-3 Glock
CDS Guide Rod Recoil Spring For Standard Frame Gen 1-3 Glock
$9.95
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CDS Extended Slide Release For Gen 1-4 Glock
CDS Extended Slide Release For Gen 1-4 Glock
$29.95
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CDS Extractor W/ LCI For Glock
CDS Extractor W/ LCI For Glock
$39.95
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CDS Stainless Steel Extended Slide Lock Lever For Glock
CDS Stainless Steel Extended Slide Lock Lever For Glock
$19.95
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CDS Stainless Steel Guide Rod Adapter Ring For Gen 4-5 Glock
CDS Stainless Steel Guide Rod Adapter Ring For Gen 4-5 Glock
$12.95
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CDS MOD1 Stainless Steel Guide Rod Assembly For Gen 1-3 Glock 20
CDS MOD1 Stainless Steel Guide Rod Assembly For Gen 1-3 Glock 20
$24.95
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CDS MOD2 Stainless Steel Guide Rod Assembly For Gen 1-3 Glock 20
CDS MOD2 Stainless Steel Guide Rod Assembly For Gen 1-3 Glock 20
$24.95
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CDS MOD3 Stainless Steel Guide Rod Assembly For Gen 1-3 Glock 20
CDS MOD3 Stainless Steel Guide Rod Assembly For Gen 1-3 Glock 20
$24.95
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CDS MOD4 Stainless Steel Guide Rod Assembly For Gen 1-3 Glock 20
CDS MOD4 Stainless Steel Guide Rod Assembly For Gen 1-3 Glock 20
$24.95
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CDS MOD1 Stainless Steel Guide Rod Assembly w/o Spring For Gen 1-3 Glock 20
CDS MOD1 Stainless Steel Guide Rod Assembly w/o Spring For Gen 1-3 Glock 20
$19.95
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CDS MOD2 Stainless Steel Guide Rod Assembly w/o Spring For Gen 1-3 Glock 20
CDS MOD2 Stainless Steel Guide Rod Assembly w/o Spring For Gen 1-3 Glock 20
$19.95
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"GLOCK" is a federally registered trademark of GLOCK, Inc and is one of many trademarks owned by GLOCK, Inc. or GLOCK Ges.m.b.H. Neither Centennial Defense Systems nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H. The use of "GLOCK" on this page is merely to advertise the sale of GLOCK pistols, parts, or components. For genuine GLOCK, Inc and GLOCK Ges.m.b.H. products and parts visit www.glock.com

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