In StockSave 4%
Type
parts
Last Seen
May 19, 2026
A3 Industries 1913 Polymer Folding Triangle Stock Black
Sold byOptics Planet•Posted Apr 27, 2026
Compare prices for A3 Industries Triangle Folding Stock Polymer Picatinny$105.99
$109.95
You save $3.96 (4% off)
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Deal Summary
- Currently in stock.
- Category: parts
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Deal Details
A3 Industries 1913 Polymer Folding Triangle Stock Black. With our modular mounting interface it allows the user to put a Triangle Stock on just about any firearm with a Picatinny (1913) rail. The Polymer Triangle Stock is injection-molded from super rigid 30percent fiber-reinforced Zytel by DuPont. This isn't your typical "plastic" this polymer easily rivals the aluminum variant at a much more economical price and reduced weight. Specifications for A3 Industries 1913 Polymer Folding Triangle Sto
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