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The full A3 catalog — house lines, collaborations, and vetted third-party brands. Use the sidebar to narrow by type, platform compatibility, brand, or price.
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XENO TRIAD - Reduced Angle AR-Compatible Grip
Universal fit
ConfigureRegular price $19.95Regular price -
Vertical Grips (grip Only)
Universal fit
ConfigureRegular price $19.95Regular price -
1913 Picatinny Adapter - MP5K/SP5K Double Pin
Fits H&K
Regular price $89.95Regular price -
Modular Telescoping Brace - Universal Picatinny (1913) Mount
Universal fit
ConfigureRegular price From $249.95Regular price -
Modular Folding Brace - Picatinny Mount (1913)
Universal fit
ConfigureRegular price From $209.95Regular price -
Mini | Modular Vertical Foregrip
Universal fit
ConfigureRegular price From $39.95Regular price -
Cheek Rest / Butt-Pad Combo For Triangle Stock
Universal fit
Regular price $19.95Regular price -
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VIS Compact Quick-Disconnect (QD) Sling Socket
Universal fit
Regular price $18.95Regular price -
Triangle Stock | 1913 Mount Folding Stock
Universal fit
ConfigureRegular price From $109.95Regular price -
MPA Defender | Vertical Foregrip
Fits Masterpiece Arms
ConfigureRegular price From $39.95Regular price -
Compact | Modular Vertical Foregrip w/ Hand-Stop
Universal fit
ConfigureRegular price From $69.95Regular price -
Buffer Tube Mount Steady-Brace - Aluminum
Universal fit
Regular price $89.95Regular price -
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Skelestocks | 1913 Mount Folding Stock
Universal fit
ConfigureRegular price From $209.95Regular price -
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Modular Folding Stocks | 1913 Mount Folding Stock
Universal fit
ConfigureRegular price From $209.95Regular price -
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JMK Walnut Grip - AK
Fits AK & Variants
ConfigureRegular price $79.95Regular price -
JMK Walnut Grip - AR
Fits AR & Variants
ConfigureRegular price $79.95Regular price -
Individual Stock/Brace Extensions
Universal fit
ConfigureRegular price $79.95Regular price
