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Centennial Defense Systems Top Products, Including Gun Parts, Pistol Parts, Pistol Slides & Slide Parts & More! — 142 products / 8,869 models

Centennial Defense Systems delivers rugged, precision-engineered gun parts and accessories built for shooters who demand reliability in every condition. Focused on enhancing performance and durability, we have a wide range of Centennial Defense Systems Gun Parts, Centennial Defense Systems Pistol Parts, Centennial Defense Systems Pistol Slides & Slide Parts, and more designed for modern sporting rifles and tactical platforms. Each component is manufactured with strict quality control standards, ensuring consistent accuracy, fit, and long-term dependability. What sets Centennial Defense Systems apart is its commitment to blending advanced materials with practical design. Their products are built to withstand heavy use while maintaining tight tolerances, making them ideal for both professional applications and recreational shooting. Whether upgrading an existing setup or building from the ground up, customers benefit from components that are engineered for seamless integration and dependable performance.image

Shooters choose Centennial Defense Systems for its balance of innovation, durability, and value. With a focus on precision manufacturing and real-world usability, the brand provides trusted solutions for those who expect their equipment to perform without compromise.

Shop Centennial Defense Systems Today!

Shop online at OpticsPlanet.com today for incredible deals on gun parts, optics, and tactical gear from trusted brands like Centennial Defense Systems. Check out our Pistol Part Guides to learn more about the different ways to upgrade your handgun and buy the best gun parts to boost your build. Gear up with us today to get Free Shipping on most orders over $49.

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142 Products in Centennial Defense Systems

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Image of Centennial Defense Systems Extended Control Kit For Glock 42/43/43X/48 30 models Centennial Defense Systems Extended Control Kit For Glock 42/43/43X/48 (4) As Low As (Save Up to 21%) $59.95
Image of Centennial Defense Systems MOD5 Upper Parts Kit for Gen 1-3 Glock 17 w/Flat Face Button Head Screw 118 models Centennial Defense Systems MOD5 Upper Parts Kit for Gen 1-3 Glock 17 w/Flat Face Button Head Screw As Low As (Save Up to $10.04) $149.95
Image of Centennial Defense Systems Stainless Steel Guide Rod Assembly for Glock 43,43X,48 63 models Centennial Defense Systems Stainless Steel Guide Rod Assembly for Glock 43,43X,48 (21) As Low As (Save Up to 30%) $34.95 Best Rated
Image of Centennial Defense Systems MOD3 Upper Parts Kit for Gen 1-3 Glock 19 w/Torx Screw 101 models Centennial Defense Systems MOD3 Upper Parts Kit for Gen 1-3 Glock 19 w/Torx Screw As Low As (Save Up to $14.04) $149.95
Image of Centennial Defense Systems MOD4 Upper Parts Kit for Gen 1-3 Glock 17 w/Button Head Allen Screw 117 models Centennial Defense Systems MOD4 Upper Parts Kit for Gen 1-3 Glock 17 w/Button Head Allen Screw As Low As $149.95
Image of Centennial Defense Systems Extended Control Kit w/Stippled Mag Release for Glock 107 models Centennial Defense Systems Extended Control Kit w/Stippled Mag Release for Glock (2) As Low As (Save Up to 22%) $74.95
Image of Centennial Defense Systems Lower Parts Kit for Gen 1-3 Glock 26 119 models Centennial Defense Systems Lower Parts Kit for Gen 1-3 Glock 26 List: $126.49 (Save Up to $9.04) $124.95
Image of Centennial Defense Systems Lower Parts Kit for Gen 1-3 Glock 19 112 models Centennial Defense Systems Lower Parts Kit for Gen 1-3 Glock 19 (3) List: $126.49 (Save Up to 12%) $124.95
Image of Centennial Defense Systems Stainless Steel Guide Rod Assembly w/22lb Spring for Gen 5 Glock 23 16 models Centennial Defense Systems Stainless Steel Guide Rod Assembly w/22lb Spring for Gen 5 Glock 23 As Low As (Save Up to 24%) $34.95
Image of Centennial Defense Systems Stainless Steel Channel Liner for Glock 2 models Centennial Defense Systems Stainless Steel Channel Liner for Glock (1) As Low As (Save Up to 42%) $14.95
Image of Centennial Defense Systems Stainless Steel Guide Rod Assembly for Gen 4-5 Glock 19 78 models Centennial Defense Systems Stainless Steel Guide Rod Assembly for Gen 4-5 Glock 19 (13) As Low As (Save Up to 30%) $34.95 Best Rated
Image of Centennial Defense Systems MOD4 Stainless Steel Guide Rod Assembly for Gen 1-3 Glock 17 w/Button Head Allen Screw 126 models Centennial Defense Systems MOD4 Stainless Steel Guide Rod Assembly for Gen 1-3 Glock 17 w/Button Head Allen Screw (2) As Low As (Save Up to 35%) $24.95
Image of Centennial Defense Systems Glock 43/43X/48 CDS Stainless Single Spring Guide Rod Assembly 64 models Centennial Defense Systems Glock 43/43X/48 CDS Stainless Single Spring Guide Rod Assembly As Low As (Save Up to 25%) $27.95
Image of Centennial Defense Systems Extended Mag Release for Gen 1-3 58 models Centennial Defense Systems Extended Mag Release for Gen 1-3 (2) As Low As (Save Up to 32%) $29.95
Image of Centennial Defense Systems Extended Control Kit w/Serrated Mag Release for Glock 113 models Centennial Defense Systems Extended Control Kit w/Serrated Mag Release for Glock As Low As (Save Up to 11%) $74.95
Image of Centennial Defense Systems Extended Control Kit w/Mag Release for Polymer80 27 models Centennial Defense Systems Extended Control Kit w/Mag Release for Polymer80 (1) List: $85.99 (Save Up to 18%) $84.95
Image of Centennial Defense Systems Extended Control Kit w/Mag Release for Glock 42/43 57 models Centennial Defense Systems Extended Control Kit w/Mag Release for Glock 42/43 List: $79.99 (Save Up to 17%) $79.95
Image of Centennial Defense Systems Extended Control Kit for Gen 5 Glock 28 models Centennial Defense Systems Extended Control Kit for Gen 5 Glock (5) As Low As (Save Up to 23%) $59.95 Best Rated
Image of Centennial Defense Systems Extended Control Kit w/Mag Release for Gen 5 Glock 48 models Centennial Defense Systems Extended Control Kit w/Mag Release for Gen 5 Glock (2) As Low As (Save Up to 18%) $79.95
Image of Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 1-3 60 models Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 1-3 (6) As Low As (Save Up to 27%) $26.49 Blazin' Deal
Image of Centennial Defense Systems Extended Mag Release w/5lb Spring for Gen 4-5 57 models Centennial Defense Systems Extended Mag Release w/5lb Spring for Gen 4-5 (2) As Low As (Save Up to 28%) $32.95
Image of Centennial Defense Systems Extended Control Kit for Polymer80 15 models Centennial Defense Systems Extended Control Kit for Polymer80 As Low As (Save Up to 12%) $64.95
Image of Centennial Defense Systems Extended Mag Release w/5lb Spring for Gen 1-3 60 models Centennial Defense Systems Extended Mag Release w/5lb Spring for Gen 1-3 As Low As (Save Up to 25%) $32.95
Image of Centennial Defense Systems Lower Parts Kit for Gen 1-3 Glock 17 117 models Centennial Defense Systems Lower Parts Kit for Gen 1-3 Glock 17 (1) List: $126.49 (Save Up to 11%) $124.95
Image of Centennial Defense Systems Extended Control Kit for Glock 70 models Centennial Defense Systems Extended Control Kit for Glock (2) As Low As (Save Up to 21%) $47.49 Blazin' Deal
Image of Centennial Defense Systems Trigger Assembly w/Stainless Steel Bar for Gen 1-4 Glock 186 models Centennial Defense Systems Trigger Assembly w/Stainless Steel Bar for Gen 1-4 Glock (3) As Low As (Save Up to 19%) $51.49 Blazin' Deal
Image of Centennial Defense Systems Trigger Assembly for Glock 43/43X/48 186 models Centennial Defense Systems Trigger Assembly for Glock 43/43X/48 (1) List: $65.99 (Save Up to 21%) $59.95
Image of Centennial Defense Systems Stainless Steel Guide Rod Assembly for Gen 1-5 Glock 26/27 60 models Centennial Defense Systems Stainless Steel Guide Rod Assembly for Gen 1-5 Glock 26/27 (7) As Low As (Save Up to 23%) $34.95 Best Rated
Image of Centennial Defense Systems Stainless Steel Guide Rod Assembly for Gen 4 Glock 17 92 models Centennial Defense Systems Stainless Steel Guide Rod Assembly for Gen 4 Glock 17 As Low As (Save Up to 21%) $34.95
Image of Centennial Defense Systems Glock 19 Gen 4-5 CDS Heavy Single Spring Guide Rod Assembly 64 models Centennial Defense Systems Glock 19 Gen 4-5 CDS Heavy Single Spring Guide Rod Assembly (1) As Low As (Save Up to 22%) $29.95
Image of Centennial Defense Systems Lower Parts Kit For Glock 43x48 180 models Centennial Defense Systems Lower Parts Kit For Glock 43x48 (1) List: $126.49 (Save Up to 11%) $124.95
Image of Centennial Defense Systems Stainless Steel Guide Rod Assembly for Gen 4 Glock 20 93 models Centennial Defense Systems Stainless Steel Guide Rod Assembly for Gen 4 Glock 20 (1) As Low As (Save Up to 23%) $34.95 Final Sale
Image of Centennial Defense Systems Stainless Steel Guide Rod Competition Kit for Gen 1-3 Glock 17 90 models Centennial Defense Systems Stainless Steel Guide Rod Competition Kit for Gen 1-3 Glock 17 As Low As (Save Up to 23%) $34.95
Image of Centennial Defense Systems Stainless Steel Guide Rod Assembly for Gen 5 Glock 17 95 models Centennial Defense Systems Stainless Steel Guide Rod Assembly for Gen 5 Glock 17 (5) As Low As (Save Up to 21%) $46.99 Best Rated
Image of Centennial Defense Systems Glock 20 Gen 4 CDS Heavy Single Spring Guide Rod Assembly 96 models Centennial Defense Systems Glock 20 Gen 4 CDS Heavy Single Spring Guide Rod Assembly As Low As (Save Up to 22%) $29.95
Image of Centennial Defense Systems Channel Liner for Glock Centennial Defense Systems Channel Liner for Glock $6.99
Image of Centennial Defense Systems Stainless Steel Guide Rod Assembly w/20lb Spring for Gen 5 Glock 23 16 models Centennial Defense Systems Stainless Steel Guide Rod Assembly w/20lb Spring for Gen 5 Glock 23 As Low As (Save Up to 24%) $34.95
Image of Centennial Defense Systems Stainless Steel Guide Rod Competition Kit for Gen 1-3 Glock 19 90 models Centennial Defense Systems Stainless Steel Guide Rod Competition Kit for Gen 1-3 Glock 19 (8) As Low As (Save Up to 27%) $34.95 Best Rated
Image of Centennial Defense Systems Stainless Steel Guide Rod Assembly for Glock 42 16 models Centennial Defense Systems Stainless Steel Guide Rod Assembly for Glock 42 As Low As (Save Up to 23%) $34.95
Image of Centennial Defense Systems Stainless Steel Billet Firing Pin Assembly w/6lb Spring for Gen 1-4 Glock 9mm .380ACP 2 models Centennial Defense Systems Stainless Steel Billet Firing Pin Assembly w/6lb Spring for Gen 1-4 Glock 9mm .380ACP As Low As (Save Up to 19%) $49.95
Image of Centennial Defense Systems Extended Mag Release for Gen 4-5 58 models Centennial Defense Systems Extended Mag Release for Gen 4-5 (4) As Low As (Save Up to 32%) $29.95
Image of Centennial Defense Systems Glock 44 CDS Heavy Single Spring Guide Rod Assembly 16 models Centennial Defense Systems Glock 44 CDS Heavy Single Spring Guide Rod Assembly As Low As (Save Up to 25%) $27.95
Image of Centennial Defense Systems Stainless Steel Extended Slide Lock Lever for Glock 42/43/43X/48 15 models Centennial Defense Systems Stainless Steel Extended Slide Lock Lever for Glock 42/43/43X/48 (4) List: $31.99 (Save 38%) $19.95
Image of Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 57 models Centennial Defense Systems Extended Mag Release w/2.5lb Spring for Gen 4-5 (2) List: $41.99 (Save Up to 34%) $32.95
Image of Centennial Defense Systems MOD1 Stainless Steel Guide Rod Assembly for Gen 1-3 Glock 19 107 models Centennial Defense Systems MOD1 Stainless Steel Guide Rod Assembly for Gen 1-3 Glock 19 (1) As Low As (Save Up to 34%) $24.95
Image of Centennial Defense Systems Glock 20 Gen 5 CDS Heavy Single Spring Guide Rod Assembly 96 models Centennial Defense Systems Glock 20 Gen 5 CDS Heavy Single Spring Guide Rod Assembly As Low As (Save Up to 22%) $29.95
Image of Centennial Defense Systems Stainless Steel Guide Rod Competition Kit for Gen 1-3 Glock 20 89 models Centennial Defense Systems Stainless Steel Guide Rod Competition Kit for Gen 1-3 Glock 20 As Low As (Save Up to 21%) $34.95
Image of Centennial Defense Systems Glock 17 Gen 4 CDS Heavy Single Spring Guide Rod Assembly 96 models Centennial Defense Systems Glock 17 Gen 4 CDS Heavy Single Spring Guide Rod Assembly As Low As (Save Up to 22%) $29.95
Image of Centennial Defense Systems Extractor w/LCI for Gen 1-4 9mm Glock 12 models Centennial Defense Systems Extractor w/LCI for Gen 1-4 9mm Glock (1) As Low As (Save Up to 20%) $39.95
Image of Centennial Defense Systems Stainless Steel Channel Liner Install & Removal Tool for Glock 2 models Centennial Defense Systems Stainless Steel Channel Liner Install & Removal Tool for Glock (3) As Low As (Save Up to 38%) $19.95
Image of Centennial Defense Systems MOD3 Stainless Steel Guide Rod Assembly for Gen 1-3 Glock 19 w/Torx Screw 108 models Centennial Defense Systems MOD3 Stainless Steel Guide Rod Assembly for Gen 1-3 Glock 19 w/Torx Screw (2) As Low As (Save Up to 34%) $24.95
Image of Centennial Defense Systems MOD2 Stainless Steel Guide Rod Assembly for Gen 1-3 Glock 19 w/Flat Face Screw 108 models Centennial Defense Systems MOD2 Stainless Steel Guide Rod Assembly for Gen 1-3 Glock 19 w/Flat Face Screw (5) As Low As (Save Up to 34%) $24.95
Image of Centennial Defense Systems Stainless Steel Firing Pin Safety for Glock Gen 1-4 4 models Centennial Defense Systems Stainless Steel Firing Pin Safety for Glock Gen 1-4 As Low As (Save Up to 42%) $14.95
Image of Centennial Defense Systems Stainless Steel Guide Rod Assembly for Gen 1-4 Glock 29/30 48 models Centennial Defense Systems Stainless Steel Guide Rod Assembly for Gen 1-4 Glock 29/30 (1) As Low As (Save Up to 29%) $34.95
Image of Centennial Defense Systems MOD5 Stainless Steel Guide Rod Assembly for Gen 1-3 Glock 19 w/Flat Face Button Head Screw 105 models Centennial Defense Systems MOD5 Stainless Steel Guide Rod Assembly for Gen 1-3 Glock 19 w/Flat Face Button Head Screw (7) As Low As (Save Up to 34%) $24.95 Best Rated
Image of Centennial Defense Systems MOD5 Stainless Steel Guide Rod Assembly for Gen 1-3 Glock 17 w/Flat Face Button Head Screw 124 models Centennial Defense Systems MOD5 Stainless Steel Guide Rod Assembly for Gen 1-3 Glock 17 w/Flat Face Button Head Screw (3) As Low As (Save Up to 33%) $24.95
Image of Centennial Defense Systems MOD4 Stainless Steel Guide Rod Assembly for Gen 1-3 Glock 19 w/Button Head Allen Screw 106 models Centennial Defense Systems MOD4 Stainless Steel Guide Rod Assembly for Gen 1-3 Glock 19 w/Button Head Allen Screw As Low As (Save Up to 35%) $24.95 Blazin' Deal
Image of Centennial Defense Systems MOD2 Stainless Steel Guide Rod Assembly for Gen 1-3 Glock 17 w/Flat Face Screw 126 models Centennial Defense Systems MOD2 Stainless Steel Guide Rod Assembly for Gen 1-3 Glock 17 w/Flat Face Screw As Low As (Save Up to 33%) $24.95
Image of Centennial Defense Systems MOD4 Stainless Steel Guide Rod Assembly for Smith & Wesson SD9 & SD40 4in Barrel w/Button Head Allen Screw 101 models Centennial Defense Systems MOD4 Stainless Steel Guide Rod Assembly for Smith & Wesson SD9 & SD40 4in Barrel w/Button Head Allen Screw As Low As (Save Up to 34%) $18.49 Blazin' Deal
Image of Centennial Defense Systems MOD1 Stainless Steel Guide Rod Assembly for Smith & Wesson SD9 & SD40 4in Barrel 107 models Centennial Defense Systems MOD1 Stainless Steel Guide Rod Assembly for Smith & Wesson SD9 & SD40 4in Barrel (1) As Low As (Save Up to 34%) $24.95
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Centennial Defense Systems How To Guides View All

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