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GLOCK Gen 3 Parts From Top Brands, Like Faxon Firearms, TRYBE Defense, Killer Innovations, & More! — 320 products / 5,816 models

If you're looking to customize your Glock Gen 3, we have all the parts you need to turn your pistol into something special! Whether you're looking to make your every day carry pistol a little more accurate or you just want some more functionality when you head to the range, we have everything you need. With everything from optics-cut slides from top brands like TRYBE Defense and Killer Innovations to threaded barrels that let you attach a wide variety of muzzle devices, there is something for everyone. Plus, we've assembled all of our compatible Glock Gen 3 Parts in one page, so you don't have to worry about accidentally getting the wrong part for a different generation. Aside from gun parts, you can also find holsters and other related accessories that are perfectly matched to your Gen 3 Glock.image

Shop Glock Gen 3 Parts Today!

Get all the best gear and equipment for all your favorite firearms right here on OpticsPlanet! You can browse our massive selection of products on our website or top-rated mobile app, so you can order whatever you need wherever you are. Plus, we offer Free Shipping on most orders over $49 to help you save money!

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Image of XTS Glock G19 Threaded Barrels made-in-usa-flag XTS Glock G19 Threaded Barrels (13) List: $99.99 (Save 24%) $75.99 Best Rated
Image of Faxon Firearms Duty Series Glock 19 Compact 9mm Pistol Barrel 3 models Faxon Firearms Duty Series Glock 19 Compact 9mm Pistol Barrel (70) As Low As (Save Up to $10.00) $92.00 Best Rated
Image of TRYBE Defense Glock 19 Pistol Slide - Version 1 7 of 29 models TRYBE Defense Glock 19 Pistol Slide - Version 1 (73) As Low As (Save Up to 46%) $133.20 Blazin' Deal
Image of Lone Wolf Arms AlphaWolf Glock 27/33 9mm Conversion Barrel Lone Wolf Arms AlphaWolf Glock 27/33 9mm Conversion Barrel (22) List: $134.95 (Save 11%) $119.95 Best Rated
Image of TRYBE Defense Glock 17 Pistol Slide - Version 1 8 of 20 models TRYBE Defense Glock 17 Pistol Slide - Version 1 (55) As Low As (Save Up to 63%) $99.99 Blazin' Deal
Image of TRYBE Defense Glock 19 9mm Pistol Slide - Version 2 7 of 28 models TRYBE Defense Glock 19 9mm Pistol Slide - Version 2 (57) As Low As (Save Up to 58%) $139.50 Blazin' Deal
Image of TRYBE Defense TRYBE Defense Glock 26 Pistol Slide - Version 2 8 models TRYBE Defense TRYBE Defense Glock 26 Pistol Slide - Version 2 (13) As Low As (Save Up to 58%) $139.50 Blazin' Deal
Image of Killer Innovations Velocity Glock 19 Gen 3 Slide made-in-usa-flag 2 models Killer Innovations Velocity Glock 19 Gen 3 Slide (10) List: $472.00 (Save $23.00) $449.00 Best Rated
Image of TRYBE Defense Glock 20 Match Grade Non-Threaded Pistol Barrel made-in-usa-flag 3 models TRYBE Defense Glock 20 Match Grade Non-Threaded Pistol Barrel (11) As Low As (Save Up to 71%) $49.99 Blazin' Deal
Image of True Precision Glock 19 Threaded Barrel, 1/2x28 7 models True Precision Glock 19 Threaded Barrel, 1/2x28 (31) As Low As (Save Up to $10.00) $170.99 Free 2 Day Shipping
Image of Lone Wolf Arms AlphaWolf Glock 20 Threaded Pistol Barrel Lone Wolf Arms AlphaWolf Glock 20 Threaded Pistol Barrel (19) List: $149.95 (Save 10%) $134.95
Image of TRYBE Defense Glock 34 Match Grade Non-Threaded Pistol Barrel made-in-usa-flag 4 models TRYBE Defense Glock 34 Match Grade Non-Threaded Pistol Barrel (3) As Low As (Save Up to 53%) $89.99 Blazin' Deal
Image of TRYBE Defense Glock 22 .40 S&W Match Grade Threaded Pistol Barrel made-in-usa-flag 4 models TRYBE Defense Glock 22 .40 S&W Match Grade Threaded Pistol Barrel (30) As Low As (Save Up to 33%) $119.99
Image of TRYBE Defense Glock 21 Match Grade Non-Threaded Pistol Barrel made-in-usa-flag 3 models TRYBE Defense Glock 21 Match Grade Non-Threaded Pistol Barrel (17) As Low As (Save Up to 49%) $88.49 Blazin' Deal
Image of TRYBE Defense Glock 21 Match Grade Threaded Pistol Barrel made-in-usa-flag 3 models TRYBE Defense Glock 21 Match Grade Threaded Pistol Barrel (16) As Low As (Save Up to 37%) $119.99 Blazin' Deal
Image of Rival Arms Glock 34 Gen 3 Optic Ready Slide made-in-usa-flag 2 models Rival Arms Glock 34 Gen 3 Optic Ready Slide (3) As Low As (Save Up to 43%) $266.99 Free 2 Day Shipping
Image of Killer Innovations Velocity Glock 19 Gen 3 Slide Kit, Complete w/Threaded Barrel made-in-usa-flag 2 models Killer Innovations Velocity Glock 19 Gen 3 Slide Kit, Complete w/Threaded Barrel (1) List: $698.00 (Save $38.01) $659.99
Image of Killer Innovations Velocity Glock 19 Gen 3 Slide Kit, Complete w/Non-Threaded Barrel made-in-usa-flag 2 models Killer Innovations Velocity Glock 19 Gen 3 Slide Kit, Complete w/Non-Threaded Barrel List: $678.00 (Save $38.01) $639.99
Image of TRYBE Defense Glock 34 Match Grade Threaded Pistol Barrel made-in-usa-flag 4 models TRYBE Defense Glock 34 Match Grade Threaded Pistol Barrel (12) As Low As (Save Up to 33%) $119.99 Free 2 Day Shipping
Image of TRYBE Defense Glock 22 .40 S&W Match Grade Non-Threaded Pistol Barrel made-in-usa-flag 4 models TRYBE Defense Glock 22 .40 S&W Match Grade Non-Threaded Pistol Barrel (8) As Low As (Save Up to 52%) $89.49 Blazin' Deal
Image of Tactical Solutions TSG-22 Glock .22 LR Conversion Kit w/10-Round Magazine 4 models Tactical Solutions TSG-22 Glock .22 LR Conversion Kit w/10-Round Magazine (17) As Low As (Save 15%) $320.00 10% Coupon
Image of TRYBE Defense Glock 17 Match Grade Non-Threaded Pistol Barrel made-in-usa-flag 4 models TRYBE Defense Glock 17 Match Grade Non-Threaded Pistol Barrel (2) As Low As (Save Up to 31%) $99.99 Blazin' Deal
Image of Salient Arms International Tamography G19 Stripped Slide Salient Arms International Tamography G19 Stripped Slide (2) List: $710.00 (Save 21%) $559.99 Free 2 Day Shipping
Image of TRYBE Defense Glock 19/19X/45 Match Grade Threaded Pistol Barrel made-in-usa-flag 4 models TRYBE Defense Glock 19/19X/45 Match Grade Threaded Pistol Barrel (27) As Low As (Save Up to 33%) $119.99
Image of Agency Arms Hybrid Special Stripped Precut Glock 19 Pistol Slide 1 of 3 models Agency Arms Hybrid Special Stripped Precut Glock 19 Pistol Slide $1,026.00
Image of Alpha 6 Defense A6 Vapor Micro-Compensators For Glock 19 Gen 3 Alpha 6 Defense A6 Vapor Micro-Compensators For Glock 19 Gen 3 List: $375.00 (Save $25.00) $350.00 Free 2 Day Shipping
Image of TRYBE Defense Glock 19/19X/45 Match Grade Non-Threaded Pistol Barrel made-in-usa-flag 3 models TRYBE Defense Glock 19/19X/45 Match Grade Non-Threaded Pistol Barrel (7) List: $144.99 (Save Up to 47%) $99.99 Blazin' Deal
Image of Lone Wolf Arms Glock 22/31 9mm Threaded Conversion Barrel, 1/2x28 Lone Wolf Arms Glock 22/31 9mm Threaded Conversion Barrel, 1/2x28 (37) List: $114.95 (Save 13%) $99.95 Best Rated
Image of LaserMax Guide Rod Laser Sight for Glocks 5 of 10 models LaserMax Guide Rod Laser Sight for Glocks (98) As Low As (Save Up to 20%) $276.00 Free 2 Day Shipping
Image of SLR Glock Magwell Adapter 2 of 4 models SLR Glock Magwell Adapter (17) List: $128.39 (Save Up to 18%) $105.99 Best Rated
Image of Live Free Armory LF19 Chamfered Series Pistol Slide w/ RMR Optic Cut for Glock 19 made-in-usa-flag 4 models Live Free Armory LF19 Chamfered Series Pistol Slide w/ RMR Optic Cut for Glock 19 (14) As Low As (Save Up to 51%) $107.99 Best Rated
Image of Live Free Armory Completed LF19 Combat Compensated Slide made-in-usa-flag 5 models Live Free Armory Completed LF19 Combat Compensated Slide (5) As Low As (Save Up to 35%) $245.99 On Sale
Image of Franklin Armory G-S173 Pistol Trigger 3 models Franklin Armory G-S173 Pistol Trigger (6) As Low As (Save Up to 21%) $709.99
Image of Live Free Armory Completed LF19 Raptor Slide with RMR Cut made-in-usa-flag 5 models Live Free Armory Completed LF19 Raptor Slide with RMR Cut (13) As Low As (Save Up to 30%) $273.99 On Sale
Image of TRYBE Defense Glock 20 Match Grade Threaded Pistol Barrel made-in-usa-flag 2 models TRYBE Defense Glock 20 Match Grade Threaded Pistol Barrel (16) As Low As (Save Up to 32%) $119.99
Image of TRYBE Defense Glock 23/32 .40 S&W to 9mm Cartridge Non-Threaded Conversion Pistol Barrel made-in-usa-flag TRYBE Defense Glock 23/32 .40 S&W to 9mm Cartridge Non-Threaded Conversion Pistol Barrel (6) List: $149.99 (Save 47%) $79.99 On Sale
Image of Lone Wolf Arms AlphaWolf Glock 22/31 9mm Conversion Barrel Lone Wolf Arms AlphaWolf Glock 22/31 9mm Conversion Barrel (9) List: $134.95 (Save 11%) $119.95 Best Rated
Image of PR Triggers Pistol Trigger Model G3 PR Triggers Pistol Trigger Model G3 List: $229.99 (Save 13%) $200.00 13% Coupon
Image of Faxon Firearms EXOS-513 Pistol Compensator for Glock and FX-19 Faxon Firearms EXOS-513 Pistol Compensator for Glock and FX-19 (10) List: $85.00 (Save $6.00) $79.00 Best Rated
Image of TRYBE Defense Glock 17 Match Grade Threaded Pistol Barrel made-in-usa-flag 4 models TRYBE Defense Glock 17 Match Grade Threaded Pistol Barrel (28) As Low As (Save Up to 42%) $104.99 Final Sale
Image of Ramm Tactical Leverage Trigger for Glock 2 of 9 models Ramm Tactical Leverage Trigger for Glock (3) List: $159.99 (Save $8.00) $151.99 Blazin' Deal
Image of Lone Wolf Arms Complete Glock Guide Rod Assembly 12 models Lone Wolf Arms Complete Glock Guide Rod Assembly (30) As Low As (Save Up to 24%) $25.99 10% Coupon
Image of Lone Wolf Arms AlphaWolf Glock 20 Pistol Barrel 2 models Lone Wolf Arms AlphaWolf Glock 20 Pistol Barrel (2) List: $134.95 (Save 11%) $119.95
Image of Overwatch Precision Polymer Glock DAT Trigger Kit 24 of 28 models Overwatch Precision Polymer Glock DAT Trigger Kit (104) As Low As (Save Up to $7.20) $54.59 Up to 20% Coupon
Image of Zaffiri Precision Glock 19 Gen 3 ZPS.2 RMR Cut Complete Upper 2 models Zaffiri Precision Glock 19 Gen 3 ZPS.2 RMR Cut Complete Upper (2) List: $559.99 (Save 11%) $499.99
Image of Killer Innovations Velocity Glock 19 Threaded Barrel made-in-usa-flag 3 models Killer Innovations Velocity Glock 19 Threaded Barrel (9) List: $262.00 (Save $13.00) $249.00 Free 2 Day Shipping
Image of Strike Industries Ultra Match Glock 19 9mm Non-Threaded Pistol Barrel Strike Industries Ultra Match Glock 19 9mm Non-Threaded Pistol Barrel List: $219.95 (Save $2.00) $217.95 Free 2 Day Shipping
Image of Shadow Systems Glock 19 Frame Completion Kit w/Elite Trigger Shadow Systems Glock 19 Frame Completion Kit w/Elite Trigger (7) List: $207.00 (Save 15%) $175.82
Image of Strike Industries Glock G43/G43X/G48 Gen3-5 Liteslide made-in-usa-flag 2 models Strike Industries Glock G43/G43X/G48 Gen3-5 Liteslide (8) As Low As (Save $10.00) $259.95 Best Rated
Image of Live Free Armory LF22 Elite Series Pistol Slide w/ RMR Optic Cut for Glock 22 made-in-usa-flag 4 models Live Free Armory LF22 Elite Series Pistol Slide w/ RMR Optic Cut for Glock 22 (16) As Low As (Save Up to 49%) $131.99 Best Rated
Image of Apex Tactical Specialties Glock Gen 3-4 Polymer Action Enhancement Pistol Trigger Kit 5 models Apex Tactical Specialties Glock Gen 3-4 Polymer Action Enhancement Pistol Trigger Kit (25) As Low As (Save Up to 25%) $85.99 Best Rated
Image of TRYBE Defense Glock 17 Slide Parts Completion Kit made-in-usa-flag 2 models TRYBE Defense Glock 17 Slide Parts Completion Kit (13) As Low As (Save 38%) $74.99
Image of Killer Innovations Glock 19 Gen 3 Version 2 Slide made-in-usa-flag Killer Innovations Glock 19 Gen 3 Version 2 Slide List: $472.00 (Save $23.00) $449.00
Image of Live Free Armory LF19 1/2x28 Threaded Barrel for Glock 19 made-in-usa-flag Live Free Armory LF19 1/2x28 Threaded Barrel for Glock 19 (7) List: $124.80 (Save 44%) $69.99
Image of Strike Industries Liteslide for Glock 26 2 models Strike Industries Liteslide for Glock 26 (3) As Low As (Save Up to $10.00) $239.95
Image of Alpha Shooting Sports Match Grade Crowned Barrels for Glock 2 models Alpha Shooting Sports Match Grade Crowned Barrels for Glock (2) As Low As (Save Up to 24%) $209.95
Image of Strike Industries Glock Gen3 Magazine Release 4 models Strike Industries Glock Gen3 Magazine Release (24) As Low As (Save Up to $2.00) $23.99 Best Rated
Image of Strike Industries LITESLIDE for Glock G17/G19 Gen 3 made-in-usa-flag 4 models Strike Industries LITESLIDE for Glock G17/G19 Gen 3 (26) As Low As (Save Up to 23%) $239.95 Free 2 Day Shipping
Image of Overwatch Precision Polymer DAT Drop-In Trigger Kit for Glock 28 of 44 models Overwatch Precision Polymer DAT Drop-In Trigger Kit for Glock (60) As Low As (Save Up to $10.80) $100.09 20% Coupon
Image of Alpha Shooting Sports ALPHA V5 Executive Carry Slide for Glock 3 models Alpha Shooting Sports ALPHA V5 Executive Carry Slide for Glock (5) As Low As (Save Up to 34%) $368.00 Best Rated
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