Springfield M1A Socom II 308 With Extended Cluster Rail System

Overview

The Springfield M1A Socom II 308 with Extended Cluster Rail System represents a refined evolution of the classic M14 platform, engineered for modern tactical applications. Chambered in .308 Winchester (7.62x51mm NATO), this semi-automatic rifle combines the proven reliability of the M1A action with a compact 16.25-inch barrel and an integral extended cluster rail system. The Springfield M1A Socom II 308 with Extended Cluster Rail System is designed for shooters who demand precision in a maneuverable package, offering a balance of power and portability that suits duty use, competition, or defensive scenarios. Each rifle is assembled at Springfield Armory’s Geneseo, Illinois facility, utilizing forged steel receivers and machined components. The extended cluster rail system provides continuous Picatinny interface from receiver to gas cylinder, enabling direct mounting of optics, lasers, or IR devices without adapter plates.

Features & Specs

The Springfield M1A Socom II 308 with Extended Cluster Rail System incorporates several key design elements that distinguish it from standard M1A models. The extended rail system is machined from 6061-T6 aluminum and hard-coat anodized, featuring three full-length rails (top, left, and right) plus a short bottom rail section. The barrel is a carbon steel, button-rifled profile with a 1:11 twist rate, optimized for 147-175 grain .308 loads. The gas system uses a traditional M14-style piston with a front-adjustable gas plug for suppressed or unsuppressed operation.

• Caliber: .308 Winchester / 7.62x51mm NATO; magazine capacity: 10 rounds (steel or polymer magazines)
• Overall length: 37.25 inches; barrel length: 16.25 inches; weight: 8.8 pounds unloaded
• Stock: Black synthetic with textured grip panels, buttplate with rubber insert, and sling swivel studs
• Sights: Adjustable rear aperture (windage/elevation) and front blade with protective ears; rail accepts backup or optic sights
• Receiver: Forged steel, heat-treated, with integral dovetail for standard M1A scope mounts

• Extended cluster rail system: 8 inches of continuous top rail, 6 inches side rails, includes rail covers
• Trigger: Two-stage military-style with crisp break; pull weight: 5.5 to 6.5 pounds (factory spec)
• Safety: Lever-type, located forward of trigger guard; bolt hold-open device included

Who It’s For

This rifle is intended for experienced shooters who require a semi-automatic .308 platform with low-profile rail integration. The Springfield M1A Socom II 308 with Extended Cluster Rail System suits law enforcement patrol rifle applications, competitive shooters in tactical rifle divisions, and civilian marksmen who prioritize reliability over modularity. Its compact barrel length and reduced weight make it viable for vehicle operations or confined-space use, while the rail system accommodates night vision optics for low-light environments. The .308 cartridge provides effective terminal performance on medium game and hard barriers, making it a candidate for ranch or property defense roles where overpenetration must be managed. Note that the 16.25-inch barrel produces a muzzle velocity reduction of approximately 100-150 fps compared to 22-inch M1A models, which is acceptable for engagements within 600 yards.

Shipping & FFL

This firearm ships to your chosen Federal Firearms License (FFL) dealer. Before placing an order, confirm that your receiving FFL accepts transfers and can complete the transaction per all federal, state, and local laws. You must provide the FFL’s valid license information at checkout; we cannot ship to residential addresses or non-licensees. A background check will be conducted by the receiving dealer upon transfer. Some states have additional restrictions or magazine capacity limits; it is your responsibility to verify compliance with local laws before purchase. Expedited shipping is available for an additional fee. The Springfield M1A Socom II 308 with Extended Cluster Rail System is covered by Springfield Armory’s limited lifetime warranty for the original owner.