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TRUGLO
Glock Gen 3-4 Large Frame - Tritium/Fiber-Optic Sight Set - TFX Pro
Was: $169.99Now: $134.99 -
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True Precision
Glock 17/17L/18/19/22/23/26/27/31/32/33/34/35 Gen 1-4 - Flat Face Trigger & Bar - Black
$123.99 -
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True Precision
Glock 26 Gen 1-5 - Threaded Barrel - 9mm - Black DLC or Black Nitride
$189.99 - $199.99 -
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True Precision
Glock Gen 1-4 - Flat Face Trigger Shoe ONLY Black Includes 42/43/43X/48
MSRP: $109.99$104.99 -
Timney Triggers
Glock Gen 3-4 Large Frame - Alpha Competition - 3 lb Break - G20/21/29/30/40/41
$149.99 -
True Precision
Glock 19/19X/G45 Gen 1-5 - Threaded Barrel - 9mm - Multiple Color Options
$170.99 - $189.99 -
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Timney Triggers
Glock Gen 3-4 Standard Frame - Alpha Competition Trigger - 3 lb Break - G17/19/22/23/34
$129.99 -
Timney Triggers
Glock Gen 3-4 - Alpha Competition Pivot Trigger - 3 lb Break - 17/19/23/26/34
$129.99
Gen 1-4
Glock Gen 1-4 Parts & Accessories
Shop Glock Gen 1-4 parts and accessories for compatible pistol repairs, upgrades, replacement work, and custom builds. This category covers parts for Glock Gen 1, Gen 2, Gen 3, and Gen 4 models, including barrels, frame parts, slides, slide parts, upper parts kits, lower parts kits, and triggers.
Gen 1-4 Glock parts have strong aftermarket support, but that does not make every part universal. Model size, caliber, frame generation, slide setup, and internal part design still need to match the pistol.
Gen 1-4 Glock Parts
Use this category to shop Glock Gen 1-4-compatible parts by part type, including barrels, frame components, slide assemblies, slide internals, lower parts kits, upper parts kits, and trigger components.
Verify Before You Buy
Confirm your Glock model, generation, caliber, frame size, slide length, and part-specific fitment before ordering. Gen 1-4 parts are not automatically compatible with Gen 5, Gen 6, or slimline Glock models like the 43, 43X, or 48.
Fitment Warning
Mixing Glock generations or model families without confirming compatibility can cause unsafe function, poor reliability, or parts that simply will not install correctly. Check fitment before you buy and function test after installation.
Gen 1-4 Glock builds are proven territory, but proven does not mean careless. Match the part to the pistol.