SAG CROSS K31 Chassis - CNC Aluminum with ARCA Rail and M-LOK

Product Code: SAG-S20199
Availability: In Stock
SKU: SAG-S20199
MPN: SAG-S20199

  • $1 579.00




SAG CROSS K31 Chassis - Modern Ergonomics for a Straight-Pull Action

Billet Aircraft-Grade Aluminum | Full-Length ARCA-RAIL | M-LOK at 3, 6 & 9 | 1913 Stock Base | AR Grip Base | 500 g
In short: A billet-aluminum chassis that gives a K31 straight-pull carbine a full-length ARCA rail, M-LOK at three positions, an AR grip base and a 1913 buttstock interface.

Overview

The CROSS K31 is what happens when a Swiss straight-pull action from the 1930s is given the ergonomics of a modern bolt-action chassis. It is machined from a solid billet of high-strength aircraft-grade aluminum, and it is built around one idea: let the shooter set the platform up the way they would set up any current precision carbine.

An ARCA-RAIL runs the full length of the underside of the forend, so the carbine clamps straight onto an ARCA tripod head or bench rest at any point along its length - no adapter plate. M-LOK sits at 3, 6 and 9 o'clock for a bipod, a hand stop or a light. Four QD sling attachment points let the sling go where the balance actually wants it.

The rear takes any 1913-MIL-STD buttstock and the grip base is AR-pattern, so both contact points are yours to choose. Installation is a bolt-on job. The whole chassis weighs 500 g (17.6 oz) and is hard-anodised to a durable matte finish.

What's in the Box

  • (1) SAG CROSS K31 Chassis
  • (1) Mounting Hardware Set
  • (1) Installation Manual

Compatibility

Developed for K31 straight-pull sporting carbines. Installation is bolt-on and requires no machining.

Note: The chassis ships without a pistol grip and buttstock - both are chosen and purchased separately. A matching SAG K31 optics rail (rear sight base mounted) is available and can be ordered together with the chassis.

Key Advantages

  • Genuine Sureshot Armament Group part, CNC-machined from a solid billet
  • Aircraft-grade aluminum, hard anodised to a durable matte finish
  • Full-length ARCA-RAIL - clamps to a tripod or bench rest anywhere along the forend
  • M-LOK at 3, 6 and 9 o'clock for bipod, hand stop or light
  • Takes any 1913-MIL-STD buttstock and any AR-pattern grip
  • Four QD sling attachment points
  • Only 500 g (17.6 oz)
  • Bolt-on installation

Technical Specifications

BrandSureshot Armament Group (SAG)
Part TypeChassis
MaterialHigh-strength aircraft-grade aluminum, CNC-machined from solid billet
FinishHard anodised, matte
Forend UndersideFull-length ARCA-RAIL
Forend InterfaceM-LOK at 3, 6 and 9 o'clock
Buttstock Interface1913-MIL-STD (buttstock not included)
Grip BaseAR-pattern (grip not included)
Sling Mounts4 QD attachment points
Weight500 g (17.6 oz)
InstallationBolt-on
ConditionNew

Frequently Asked Questions

What does the ARCA rail give me?
The carbine clamps directly onto an ARCA tripod head or bench rest anywhere along the forend, with no adapter plate and no fixed mounting point.
Are a stock and grip included?
No. The chassis takes any 1913-MIL-STD buttstock and any AR-pattern pistol grip, both chosen separately.
How heavy is it?
500 grams, or 17.6 oz, for the chassis itself.
Does installation need a workshop?
No. It is a bolt-on installation, carried out according to the manual supplied with the chassis.
How does shipping work?
US orders are fulfilled and delivered through our partner's domestic US logistics network. Delivery is not express, but it is reliable and fully guaranteed.
Is this a genuine SAG part?
Yes. Bazalet is an official dealer and every item is supplied by Sureshot Armament Group.

Bring Your K31 Up To Modern Standard

In Stock   Guaranteed US Delivery   CNC-Machined Quality


SAG Specs

Barrel M-LOK at 3, 6 and 9 o'clock
Construction Billet chassis, hard anodised matte finish, 500 g
Handguard 1913-MIL-STD buttstock base; AR-pattern grip base
Top Rail Full-length ARCA-RAIL on forend underside

General

Brand Sureshot Armament Group (SAG)
Manufacturer Part Number (MPN) SAG-S20199
Condition New
Intended Use Sport shooting / Precision / Training
Material High-strength aircraft-grade aluminum, CNC-machined from billet

Mounting & Rails

Installation Bolt-on installation
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SAG chassis, K31, ARCA rail, M-LOK, straight-pull