▼ 12% below avg
Glock Gen 4 20, 21 Beavertail Backstrap Kit Polymer Black
Lowest Price
$20.33
MSRP
$38.4
Savings
47% off
Verified In Stock at
7 Stores
Updated
Aug 26, 2026
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Verified availability, then price
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Consistent Performance
Factory Reliability
Quality Construction
Specifications
Brand
Model
Gen 4 Modular Backstrap Replacement Kit
Series
Backstrap/Beavertail Set
MPN
30819
UPC
764503043307
Description
The Glock Beavertail backstrap kit is a factory replacement for Gen4 pistols. This kit includes two standard back straps, two beavertail back straps, replacement trigger housing pin, and an installation tool. These parts are factory replacements, made to the same specifications as the originals included with your pistol. These are perfect for replacing lost or worn panels. Kit Includes:2 Beavertail Backstraps2 Standard BackstrapsTrigger Housing PinInstallation Tool
