K.S. Arms Long 3 Lug Action Repeater

The Long Action LA3R is built for serious shooters who demand precision, durability, and versatility. Manufactured with care, this action is designed to provide unmatched strength and reliability, offering a solid foundation for your custom rifle build

Consider the LA3R for building a long range tool to pound steel, or a base for an ELR rig that will fit any Rem 700 chassis or stock. Designed extra stiff with a long thread tenon for big long heavy barrels in biggest for class calibers

Key Features:

• True Remington 700 Footprint: Engineered to be 100% compatible with Remington 700-inlet stocks/chassis.
• Wire EDM cut raceways
• Made from Heat Treated/Stress Relieved 4340 Steel
• Hard & Corrosion-Resistant Finish: A Hard Liquid Nitride Matte Black Finish provides smooth operation and ensures long-lasting protection against corrosion.
• Side Bolt Release Above Centerline
• Integral .250” Recoil Lug
• Recessed Bolt Nose
• 20MOA Steel Picatinny Rail or optional 60MOA: mounted with 4x #8-40 screws and two .125”Ø dowel pins for secure mounting.
• XL load port DBM compatible CIP length(3.825”)
• .001” Head Space Tolerance, Pre-Fit barrels ordered by serial number
• Precision Machined for Perfect Fit: Indexed, machined, and inspected to exact dimensional tolerances, the LA3R is designed for effortless compatibility with KS Arms’ shouldered pre-fit barrels. No custom fitting required—just torque to spec and fire.
• 3 Locking Lugs with a 60° Opening Angle: Providing exceptional strength and a smooth bolt throw, the 3 locking lugs feature a 60° opening angle for quicker and more efficient cycling.
• Tool-Less Bolt Disassembly: Simplifies maintenance with tool-less disassembly of the bolt, allowing for quick cleaning and reassembly.
• Cone Bolt Nose with SAKO-Type Extractor: Featuring a cone bolt nose for improved feeding and a SAKO-type extractor for superior case extraction, ensuring flawless cycling and performance including BR cases.

- accepts talley rings

Place your order using the options and prompts within the site. We absolutely welcome orders or questions placed through email or phone call if you would prefer!