*information from manufacturer's website:

Sights None - Optics-Ready, 30 MOA Picatinny Rail
Weight 4.2 lb.
Twist 1:16" RH

Overall Length 36.80"
Barrel Length16.10"
Length of Pull 13" - 14.50"

Grey Birch Chassis features a modular 10" forend with M-LOK and Arca-Swiss compatibility and ambidextrous QD points. The stock is adjustable for length of pull and cheek height and folds for easy storage and transport.
Hard-coat anodized, CNC-machined receiver made from heat treated and stress relieved aluminum allows for optimal receiver-to-bolt interaction and a match-grade feel.
Cold hammer-forged barrel tensioned in carbon fiber sleeve features a 1/2"-28 threaded muzzle and is fitted with a thread cap which can be removed to allow for the use of muzzle accessories.
BX-Trigger® with a light, crisp 2.5 - 3 pound trigger pull weight with minimal overtravel and a positive reset.
Dual bedding system incorporates a second bedding lug, ensuring the receiver is securely bedded to the stock.
Heat treated and nitrided CNC-machined match bolt that creates a tight-fitting, smooth action enabling the highest level of performance.
Receiver incorporates a rear cleaning port, providing access to the barrel from the rear of the receiver for ease of cleaning.
Top barrel locator allows for a free-floating barrel for superior accuracy.
Detachable, left-handed 10-round rotary magazine features a unique rotor to separate cartridges and provide reliable feeding. Not compatible with standard right-handed 10/22® magazines.
Easy-to-use, extended magazine release provides smooth, no-fuss removal of flush-mounted magazine.
Positive, push-button, left-handed, cross-bolt manual safety.
Integral, optics-ready 30 MOA Picatinny rail for increased long-range elevation capabilities.
Match bolt release allows you to easily advance the nitrided bolt with a quick pull and release to the rear.
Heat-stabilized, glass-filled, polymer trigger housing assembly is precision made of high-tech material for improved manufacturing tolerances, impact and abrasion-resistance and an unmatched ability to withstand the elements.
Proprietary, enhanced semi-auto chamber proven to increase accuracy and precision while not compromising reliable feeding and extraction.
Also includes: hard case; Ruger Custom Shop® Certificate of Authenticity, challenge coin, cleaning cloth and decal.

Ruger 10/22 Competition (31230) Left Handed