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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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Compact | Modular Vertical Foregrip w/ Hand-Stop
Universal fit
ConfigureRegular price From $69.95Regular price -
Triangle Stock | 1913 Mount Folding Stock
Universal fit
ConfigureRegular price From $109.95Regular price -
Cheek Rest / Butt-Pad Combo For Triangle Stock
Universal fit
Regular price $19.95Regular price -
Modular Folding Stocks | 1913 Mount Folding Stock
Universal fit
ConfigureRegular price From $209.95Regular price -
1913 Picatinny Adapter - Defender
Fits Masterpiece Arms
Regular price $59.95Regular price -
+10 w/ Hand-Stop | Modular Vertical Foregrips
Universal fit
ConfigureRegular price From $69.95Regular price -
Modular Telescoping Stock - Universal Picatinny (1913) Mount
Universal fit
ConfigureRegular price From $249.95Regular price -
Angled Foregrip | CQB
Universal fit
ConfigureRegular price From $54.95Regular price -
Buttplates For Modular Stocks
Universal fit
ConfigureRegular price From $79.95Regular price -
XENO TRIAD - Reduced Angle AR-Compatible Grip
Universal fit
ConfigureRegular price $19.95Regular price -
PFS-X | 1913 Mount Folding Stock
Universal fit
ConfigureRegular price $149.95Regular price -
Mini | Modular Vertical Foregrip
Universal fit
ConfigureRegular price From $39.95Regular price -
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+10 Mini | Modular Vertical Foregrip
Universal fit
ConfigureRegular price From $39.95Regular price -
VIS Compact Quick-Disconnect (QD) Sling Socket
Universal fit
Regular price $18.95Regular price -
ALM - Adjustable Length Modular Folding Stocks - Picatinny (1913)
Universal fit
ConfigureRegular price From $249.95Regular price -
MPA Defender | Vertical Foregrip
Fits Masterpiece Arms
ConfigureRegular price From $39.95Regular price -
Full-Size | Modular Vertical Foregrip w/ Hand-Stop
Universal fit
ConfigureRegular price From $49.95Regular price -
1913 Picatinny Adapter - MP5K/SP5K Double Pin
Fits H&K
Regular price $89.95Regular price -
Modular Folding Brace - Picatinny Mount (1913)
Universal fit
ConfigureRegular price From $209.95Regular price -
Modular Rail Riser And Carry Handle
Universal fit
ConfigureRegular price From $79.95Regular price -
Vertical Grips (grip Only)
Universal fit
ConfigureRegular price From $19.95Regular price -
HK MP5-K | +10 MLOK Forend VFG
Fits H&K
ConfigureRegular price From $109.95Regular price -
Skelestocks | 1913 Mount Folding Stock
Universal fit
ConfigureRegular price From $209.95Regular price
