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Century Arms STORM CAT4
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Century Arms

STORM CAT4

$1,399.99
$1,299.99
Sale Price
Available

Century Arms STORM CAT4, Semi-automatic, 5.56 NATO, 16" Cold Hammer Forged Barrel, Anodized Finish, Black, US Palm Grip, Magpul DT Carbine Stock, 30 Rounds, 1 Magazine RI0001000-1-AA-N

Key Details
Brand Century Arms
Manufacturer Part Number RI0001000-1-AA-N
UPC 787450951532
SKU CARI0001000-1-AA-N
Current Stock 11 available
Quantity Updated Jun 22, 2026 6:10 PM
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Purchase Requirements
  • This product requires FFL processing before pickup or transfer.
  • Age verification is required before checkout completion.
  • California compliance or distributor restriction review may apply.
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

US PALM is an icon among AK enthusiasts, and for good reason. Ergonomic accessories for comfort and reinforced stress points to endure whatever you can throw at them. Instantly recognizable. Forever envied. Endlessly copied. Magazines that last longer. Grips that won't let go. And a calendar full of concepts from the founders' minds. Now with the STORM CAT4, weather any storm.

Features
  • Mono-Loc Handguard System
  • US Palm Hurricane" Hybrid Flash Hider/Compensator"
  • US Palm Reduced Angle Grip
  • Hiperfire EDT Designated Marksman Trigger
  • Full Ambidextrous Controls
Specifications
UPC: 787450951532
Manufacturer: Century Arms
Manufacturer Part #: RI0001000-1-AA-N
Model: STORM CAT4
Action: Semi-automatic
Barrel Length: 16"
Capacity: 30 Rounds
Finish: Anodized
Grips: Polymer
Type: AR