Ruger American Gen II .308 Win 20-Inch Gray Rifle

The Ruger American Gen II .308 Win Gray is a bolt-action rifle chambered in .308 Winchester.

Part of Ruger’s second-generation American Rifle family, this standard configuration combines a 20-inch medium-contour barrel with a Gun Metal Gray Cerakote barreled action and dark gray synthetic stock.

In addition, the Generation II design incorporates a three-position tang safety, adjustable stock system, stainless-steel three-lug bolt and factory-installed Picatinny scope base.

Together, these characteristics distinguish Model 46902 from the first-generation Ruger American and from Ranch, Predator, Scout, Prairie and Patrol variants within the broader Gen II family.

Ruger American Gen II .308 Win Gray Overview

The Ruger American Gen II .308 Win Gray represents the standard-format .308 Winchester version of Ruger’s Generation II American Rifle.

Ruger introduced the second generation with several revisions to the original American Rifle design.

For example, the platform received a redesigned stock, three-position tang safety and revised bolt arrangement.

Furthermore, standard Generation II rifles use a Gun Metal Gray Cerakote barreled action paired with a dark gray stock featuring black and gray splatter texture.

As a result, the standard gray configuration has a distinctive appearance within the expanded American Rifle Gen II lineup.

Gen II .308 Winchester Chambering

Model 46902 is chambered in .308 Winchester.

This chambering provides an important identifier when distinguishing the rifle from Gen II models produced in 6.5 Creedmoor, .243 Winchester and numerous other cartridges.

Additionally, the .308 configuration uses a detachable magazine arrangement appropriate to the cartridge family.

For more informational firearm pages, browse the Gunvexa firearm reference catalog.

For exact identification, however, the caliber markings on the individual rifle should always be checked.

Ruger American Gen II 20-Inch Barrel

The standard .308 Gen II uses a 20-inch barrel.

Ruger identifies standard Generation II barrels as medium-contour, cold-hammer-forged components.

Furthermore, most standard models feature deep spiral fluting.

The combination of a 20-inch barrel and standard gray furniture distinguishes this version from shorter Ranch and Scout models as well as longer Predator configurations.

Cold-Hammer-Forged Barrel

The barrel uses cold-hammer-forged construction.

This manufacturing process forms the barrel and rifling during production using substantial mechanical pressure.

Ruger has long used cold-hammer forging across the American Rifle family.

Additionally, the Generation II standard configuration combines this manufacturing method with a medium-contour barrel profile.

Therefore, barrel construction provides an important technical identifier for the rifle.

Deep Spiral-Fluted Barrel

One of the most recognizable Generation II characteristics is the deep spiral-fluted barrel.

Ruger introduced this treatment on most standard Gen II models to change the barrel profile while retaining the rigidity of its medium-contour design.

Visually, the spiral fluting also separates the Generation II rifle from many earlier American Rifle configurations.

Consequently, barrel shape provides one of the easiest visual clues when identifying Model 46902.

Gun Metal Gray Cerakote

The barreled action uses a Gun Metal Gray Cerakote finish.

This finish is characteristic of standard Generation II models.

In comparison, other Gen II families use different color combinations. For example, Ranch versions are commonly associated with Cobalt Cerakote, while Predator versions use Burnt Bronze.

Therefore, Gun Metal Gray is an important part of the standard rifle’s model identification.

Gray Splatter Stock

The rifle uses a dark gray synthetic stock with black and gray splatter texturing.

The revised stock is more rigid than the original American Rifle stock.

Furthermore, Ruger redesigned its shape to accommodate an adjustable length-of-pull system and removable comb riser.

Together, these features provide both visual and structural differences from first-generation models.

Adjustable Length of Pull

Generation II stocks incorporate a removable length-of-pull spacer.

With the spacer installed, the stock provides its longer standard configuration.

Removing the spacer shortens the length of pull considerably.

Published specifications for Model 46902 commonly identify an adjustment range of approximately 12 to 13.75 inches.

Therefore, stock dimensions represent another useful part of the rifle’s technical documentation.

Removable Comb Riser

The stock also incorporates a removable comb riser.

This component changes the cheek-rest height and forms part of Ruger’s redesigned Generation II stock system.

Additionally, Ruger provides dedicated manufacturer instructions covering comb-riser installation.

As a result, the stock is one of the most substantially revised areas when comparing Generation II with the earlier American Rifle.

Three-Position Tang Safety

A major Generation II update is the three-position tang safety.

The safety sits behind the bolt along the upper rear portion of the action.

In its rearward position, the mechanism locks the bolt.

Meanwhile, the center position allows the bolt to be operated while the safety remains engaged.

Finally, the forward position places the rifle in its fire setting.

From a catalog perspective, the three-position system is one of the clearest differences between the Generation II and older American Rifle configurations.

Ruger Marksman Adjustable Trigger

The platform retains Ruger’s Marksman Adjustable trigger system.

Ruger documentation describes the trigger as adjustable within approximately the 3- to 5-pound range.

The trigger is integrated with the Generation II action and three-position safety arrangement.

Consequently, trigger type should be included when documenting the standard Model 46902 configuration.

Stainless-Steel Three-Lug Bolt

The Generation II rifle uses a full-diameter stainless-steel three-lug bolt.

Ruger CNC machines the bolt from stainless steel.

Furthermore, the design provides a short 70-degree bolt throw.

The full-diameter body and three-lug configuration are important mechanical characteristics of the modern American Rifle action.

70-Degree Bolt Throw

The three-lug action creates a 70-degree bolt throw.

This provides a visibly shorter rotation compared with traditional two-lug bolt actions using approximately 90 degrees of movement.

Additionally, Ruger notes that the bolt geometry provides clearance around mounted optics.

For technical identification, the bolt throw and three-lug layout are useful Generation II specifications.

Threaded Bolt Handle

Another Generation II detail is the threaded bolt handle.

Ruger fits the handle with an anodized round knob in the standard configuration.

Because the handle itself is threaded, its appearance can differ on previously modified rifles.

Therefore, actual photographs should be checked when documenting a used example.

Factory Picatinny Scope Base

The rifle includes a factory-installed one-piece Picatinny scope base.

This rail sits along the top of the receiver.

Unlike configurations requiring a separate aftermarket base, the standard Generation II rifle arrives with the rail incorporated into its factory specification.

Consequently, the Picatinny rail provides another useful identifying feature.

Threaded Muzzle

The 20-inch barrel incorporates a threaded muzzle.

Ruger equips the standard Generation II rifle with a factory-installed radial muzzle brake.

The threaded barrel and installed muzzle device provide another visual difference from many earlier American Rifle models.

Exact thread specification should be confirmed against the individual model documentation when required.

Factory Radial Muzzle Brake

A radial muzzle brake is installed at the end of the barrel on the standard Generation II configuration.

Ruger applies the finish to match the barreled action.

As a result, the brake forms a visually integrated part of the Gun Metal Gray configuration.

However, muzzle devices are components that may be replaced on previously owned rifles, so individual inspection remains important.

Detachable Magazine Configuration

The .308 Winchester Model 46902 uses a detachable box magazine.

Current commercial specifications commonly identify a 3-round capacity for the standard .308 configuration.

The magazine arrangement differs among some American Rifle chamberings and variants.

Therefore, capacity and magazine format should always be documented according to the exact model rather than assumed from another Gen II configuration.

Model 46902 Identification

The documented standard gray .308 Winchester configuration is Ruger Model 46902.

Published commercial information identifies the corresponding UPC as:

736676469024

These identifiers are especially useful because the broader Generation II family contains numerous rifles with similar stocks and finishes.

Consequently, the model and UPC provide more precise identification than color alone.

Ruger American Gen II Key Specifications

• Manufacturer: Sturm, Ruger & Co.
• Brand: Ruger
• Model family: American Rifle Generation II
• Configuration: Standard
• Model number: 46902
• UPC: 736676469024
• Action: Bolt action
• Caliber: .308 Winchester
• Barrel length: 20 inches
• Barrel profile: Medium contour
• Barrel manufacturing: Cold hammer forged
• Barrel feature: Deep spiral fluting
• Barreled-action finish: Gun Metal Gray Cerakote
• Stock: Synthetic
• Stock color: Dark gray
• Stock texture: Black and gray splatter
• Length of pull: Adjustable, approximately 12–13.75 inches
• Comb: Removable riser
• Safety: Three-position tang safety
• Trigger: Ruger Marksman Adjustable
• Published trigger range: Approximately 3–5 lb
• Bolt: Stainless-steel full-diameter three-lug
• Bolt throw: 70 degrees
• Bolt handle: Threaded with anodized round knob
• Scope interface: Factory-installed one-piece Picatinny rail
• Muzzle: Threaded
• Factory muzzle device: Radial muzzle brake
• Magazine: Detachable box
• Published .308 capacity: 3 rounds
• Published overall length: Approximately 41.25 inches
• Published unloaded weight: Approximately 6.2–6.25 lb
• Hand orientation: Right hand
• Country of manufacture: United States

Generation II Stock Design

The redesigned stock represents one of the largest changes from the original American Rifle.

First, Ruger increased stock rigidity.

Next, the company incorporated a removable length-of-pull spacer.

Furthermore, the stock accepts a removable comb riser.

Together, these changes create a more modular stock arrangement while preserving the lightweight synthetic construction associated with the American Rifle family.

Generation II Action Design

The bolt and receiver were also revised for the second generation.

The stainless-steel bolt uses a full-diameter body and three locking lugs.

Additionally, the 70-degree throw reduces the amount of bolt rotation required during normal cycling.

The receiver incorporates the factory-installed Picatinny rail.

Consequently, bolt, receiver and rail design provide several useful identifiers for the Gen II platform.

Standard and Ranch Differences

Ruger’s American Gen II lineup includes several related configurations.

The Standard model discussed here uses a 20-inch barrel, Gun Metal Gray Cerakote and gray splatter stock.

By comparison, Ranch models generally use shorter barrels and different finish and stock combinations.

Therefore, barrel length and color provide quick visual clues when distinguishing Standard and Ranch configurations.

Standard and Predator Differences

Predator models also differ from the standard rifle.

Ruger introduced the Predator line with longer barrels and a different exterior color combination.

The standard Model 46902 remains identifiable by its 20-inch medium-contour barrel and Gun Metal Gray configuration.

Consequently, the complete model designation matters when comparing American Rifle Gen II specifications.

Ruger American Gen II Platform Background

Ruger introduced the American Rifle Generation II in December 2023 as the first major update to the American Rifle platform.

The redesigned platform added the three-position safety, revised stock, spiral-fluted barrel treatment and updated stainless-steel bolt while retaining the American Rifle’s bolt-action architecture.

Since then, Ruger has expanded the family with Standard, Ranch, Predator, Scout, Prairie and Patrol configurations.

For official manufacturer background on the second-generation platform, see the manufacturer Generation II overview.

For Ruger’s original technical announcement describing the major Generation II changes, see the manufacturer Gen II introduction.

Current Generation II Family

The Generation II family has continued to expand since the original introduction.

In addition to the standard gray configuration, Ruger has introduced specialized models with different barrel lengths, finishes and stock arrangements.

However, Model 46902 remains the standard gray .308 Winchester configuration documented with a 20-inch barrel.

Therefore, its model number remains the clearest commercial identifier.

Identification Notes

Several characteristics can help identify the Ruger American Gen II .308 Win Gray.

First, check the receiver and barrel markings for the Ruger American name and .308 Winchester chambering.

Next, examine the 20-inch barrel for its spiral-fluted profile.

The Gun Metal Gray Cerakote barreled action and gray stock with black-and-gray splatter provide immediate cosmetic clues.

Furthermore, the three-position tang safety, removable comb riser and stainless three-lug bolt help identify the Generation II design.

Finally, verify Model 46902 or UPC 736676469024 when distinguishing this exact configuration from other American Rifle Gen II variants.

Ruger American Gen II .308 Gray Technical Summary

In summary, the Ruger American Gen II .308 Win Gray is the standard 20-inch .308 Winchester configuration within Ruger’s second-generation American Rifle lineup.

Its defining specifications include a medium-contour cold-hammer-forged spiral-fluted barrel, Gun Metal Gray Cerakote barreled action and dark gray splatter synthetic stock.

Additionally, the rifle incorporates a three-position tang safety, Marksman Adjustable trigger, stainless-steel three-lug bolt, 70-degree bolt throw and factory Picatinny rail.

The documented 46902 model number and 736676469024 UPC further distinguish this exact configuration.

Taken together, these features provide a clear technical overview of the standard gray .308 Winchester American Rifle Generation II.