Barrett REC10 LR .308 Win 20-Inch Tungsten Grey

The Barrett REC10 LR Tungsten Grey is a semi-automatic large-frame rifle chambered in .308 Winchester.

The REC10 returned to Barrett’s product lineup for 2026 with DMR and LR configurations. In the LR arrangement, the rifle uses a 20-inch barrel and PRS Lite rear stock.

In addition, the platform combines direct-impingement operation, fully ambidextrous controls, billet aluminum receivers and a 15-inch M-LOK handguard. The Tungsten Grey Cerakote finish distinguishes this configuration visually from the Black and Flat Dark Earth versions.

Barrett REC10 LR Tungsten Grey Overview

The Barrett REC10 LR Tungsten Grey represents the long-barrel configuration within the modern REC10 family.

Barrett identifies two main REC10 variants: REC10 DMR and REC10 LR.

The LR configuration is distinguished primarily by its 20-inch barrel and Magpul PRS Lite stock.

Furthermore, the current rifle incorporates a match barrel, premium trigger, ambidextrous controls and several Radian components.

Together, these specifications give the REC10 LR a technical identity separate from the shorter DMR configuration.

REC10 LR .308 Winchester Chambering

This configuration is chambered in .308 Winchester.

Barrett’s current REC10 lineup also includes 6.5 Creedmoor versions.

However, the .308 Winchester configuration uses a 1:10 twist rate, whereas Barrett lists a different twist specification for the 6.5 Creedmoor version.

The caliber should also be confirmed from the individual barrel and receiver markings when documenting a particular rifle.

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

REC10 LR 20-Inch Barrel

The LR version uses a 20-inch barrel, equivalent to approximately 508 mm.

This is one of the clearest differences between the LR and DMR configurations.

The current DMR version uses a 16-inch barrel, whereas the LR configuration extends that measurement to 20 inches.

Consequently, the exact variant can often be distinguished quickly by comparing barrel and stock configuration.

Barrett’s 2026 catalog confirms the 20-inch specification for the REC10 LR.

416R Stainless-Steel Match Barrel

Barrett identifies the current REC10 barrel as a 416R stainless-steel match barrel.

Furthermore, the barrel uses 5R rifling.

These details form important parts of the current REC10 technical specification.

Therefore, barrel material, rifling style, length and caliber should be documented separately rather than describing the component simply as a 20-inch barrel.

5R Rifling and 1:10 Twist

The .308 Winchester configuration uses a published 1:10 twist rate.

In addition, Barrett describes the current barrel as using 5R rifling.

The twist specification provides another useful way to distinguish the .308 configuration from the 6.5 Creedmoor model, which Barrett lists with a 1:8 twist.

Consequently, the combination of .308 Winchester, 20-inch barrel and 1:10 twist provides a concise technical identifier for the REC10 LR version discussed here.

Tungsten Grey Cerakote Finish

The defining cosmetic feature of this configuration is its Tungsten Grey Cerakote finish.

Barrett’s 2026 catalog identifies three primary REC10 finish choices:

• Black
• Tungsten Grey
• Flat Dark Earth

The finish is applied over a Mil-Spec hard-anodized base.

As a result, Tungsten Grey describes a specific factory finish option while the underlying mechanical configuration remains part of the REC10 LR family.

Hard-Anodized Receiver Base

Beneath the Cerakote finish, Barrett identifies a Mil-Spec hard-anodized base.

The Tungsten Grey Cerakote then forms the visible outer finish on this particular configuration.

This layered finish specification is useful when preparing accurate technical documentation.

Therefore, the rifle should not simply be described as painted grey; the current Barrett specification specifically identifies a hard-anodized base with Cerakote final finish.

Direct-Impingement Operation

The REC10 uses a direct-impingement operating system.

Barrett describes the platform as semi-automatic and direct impingement in both .308 Winchester and 6.5 Creedmoor configurations.

Furthermore, the 2026 announcement describes an optimized gas system as one of the characteristics of the returning REC10 platform.

Consequently, operating system and gas-system configuration form important parts of the platform’s technical description.

REC10 5-Shot Sub-MOA Specification

Barrett’s current catalog identifies 5-shot sub-MOA performance as a REC10 feature.

The company’s 2026 product announcement likewise states that the returning REC10 delivers 5-shot sub-MOA accuracy from the factory.

For specification purposes, this should be treated as a manufacturer’s published performance statement rather than a guarantee that every ammunition type or shooting condition will produce identical results.

7075 Aluminum Billet Receivers

The REC10 uses 7075 aluminum billet upper and lower receivers.

This construction differs from platforms using forged receiver blanks.

Furthermore, Barrett combines the billet receiver set with full ambidextrous controls and a flared magazine well.

Therefore, receiver material and manufacturing style represent important identifiers for the modern REC10 platform.

Full Ambidextrous Controls

Barrett lists full ambidextrous controls among the features of the current REC10.

The design provides controls accessible from both sides of the receiver.

In addition, the rifle incorporates a Radian Talon safety selector.

Together, these details form part of the modernized control arrangement introduced on the current REC10 configuration.

Radian Talon 45/90 Safety

The safety selector is identified as a Radian Talon 45/90.

This component forms part of the current factory control specification.

Furthermore, the selector complements the rifle’s broader ambidextrous receiver arrangement.

When documenting a previously owned REC10, however, installed controls should be checked because components may have been replaced after original production.

Radian Charging Handle

Barrett also specifies a Radian charging handle.

This is another branded component included in the current REC10 feature set.

Along with the Talon selector and ambidextrous controls, the charging handle helps identify the current generation configuration.

Therefore, it is useful to include this component in detailed specifications rather than listing only the receiver and barrel.

TriggerTech Two-Stage Trigger

The current REC10 uses a TriggerTech AR-10 adaptable two-stage trigger.

This is a significant distinction from older generations of REC10 rifles that may have used different trigger configurations.

Consequently, production period matters when comparing older REC10 specifications with the reintroduced 2026 platform.

For the current LR model, Barrett specifically identifies the TriggerTech two-stage system.

TB-41 DLC Bolt Carrier

Barrett lists a TB-41 DLC bolt carrier among the current REC10 components.

DLC refers to the coating specification associated with the carrier.

This component forms part of the rifle’s direct-impingement operating system.

Furthermore, the bolt-carrier specification is useful when distinguishing the current REC10 from older production variants.

15-Inch Barrett M-LOK Handguard

The rifle uses a 15-inch Barrett M-LOK handguard.

Barrett specifies three anti-rotation tabs as part of the handguard design.

The long handguard extends forward around much of the 20-inch barrel while retaining M-LOK attachment slots.

Therefore, handguard length, attachment standard and anti-rotation design all provide useful technical reference details.

Three Anti-Rotation Tabs

The handguard incorporates three anti-rotation tabs.

These tabs form part of Barrett’s current M-LOK handguard design.

Although relatively small compared with the barrel or receiver, they are specifically identified by Barrett in the 2026 catalog.

Consequently, they are worth recording in a comprehensive technical specification.

Magpul PRS Lite Stock

The REC10 LR uses a Magpul PRS Lite stock.

This provides one of the easiest visual distinctions between the LR and DMR configurations.

Barrett identifies the shorter DMR with a Magpul SL carbine stock, while the LR uses the PRS Lite.

Therefore, stock type can help confirm whether an example is configured as the long-range LR variant.

Eight-Position Anti-Rotation Buffer Tube

Barrett specifies an 8-position anti-rotation buffer tube.

The component forms part of the rear receiver and stock assembly.

Furthermore, it supports the stock configuration while incorporating anti-rotation geometry.

This detail provides another useful specification for cataloging the current-generation REC10.

HUXWRX Muzzle Device

The current rifle uses a HUXWRX muzzle device.

Barrett includes this component in its 2026 REC10 feature list.

It is located at the muzzle end of the match barrel and forms part of the standard current configuration.

However, an individual previously owned rifle should always be inspected because muzzle components are among the parts that can be changed after manufacture.

Flared Magazine Well

The REC10 receiver incorporates a flared magazine well.

This feature is visibly machined into the lower receiver.

Additionally, it forms part of the current billet-receiver architecture.

From an identification standpoint, the magwell profile provides another useful detail when examining receiver photographs.

AR-10 Magazine Compatibility

Barrett states that the REC10 is compatible with standard AR-10 magazines in a variety of capacities.

The factory specification table references a 20-round magazine capacity.

Therefore, the technical specification can record the manufacturer’s 20-round reference while recognizing that compatible magazines exist in other capacities.

Magazine legality and permitted capacity depend on applicable jurisdiction.

REC10 LR Key Specifications

• Manufacturer: Barrett Firearms Manufacturing
• Model: REC10
• Variant: REC10 LR
• Finish: Tungsten Grey Cerakote
• Platform: Large-frame AR-pattern
• Action: Semi-automatic
• Operating system: Direct impingement
• Caliber: .308 Winchester
• Barrel length: 20 inches / 508 mm
• Barrel material: 416R stainless steel
• Barrel type: Match barrel
• Rifling: 5R
• Twist rate: 1:10
• Published performance: 5-shot sub-MOA
• Upper receiver: 7075 aluminum billet
• Lower receiver: 7075 aluminum billet
• Receiver base finish: Mil-Spec hard anodized
• Final finish: Tungsten Grey Cerakote
• Handguard: 15-inch Barrett M-LOK
• Handguard feature: Three anti-rotation tabs
• Trigger: TriggerTech AR-10 adaptable two-stage
• Bolt carrier: TB-41 DLC
• Charging handle: Radian
• Safety: Radian Talon 45/90
• Controls: Fully ambidextrous
• Magazine well: Flared
• Muzzle device: HUXWRX
• Rear stock: Magpul PRS Lite
• Buffer tube: Eight-position anti-rotation
• Published overall length: 41.5 inches / 1054 mm
• Published weight: 10.6 lb / 4.8 kg
• Manufacturer magazine reference: 20 rounds
• Magazine compatibility: Standard AR-10 pattern magazines
• Current-generation return: 2026 lineup

REC10 LR Receiver and Handguard Design

The receiver and front assembly provide several of the most recognizable technical characteristics of the modern REC10.

First, Barrett uses 7075 aluminum billet for both the upper and lower receivers.

Next, the 15-inch M-LOK handguard extends forward and incorporates three anti-rotation tabs.

Furthermore, the receiver includes a flared magazine well and full ambidextrous controls.

Together, these characteristics form the core external architecture of the current REC10.

REC10 LR and REC10 DMR Differences

The REC10 family contains both LR and DMR configurations.

The current LR uses a 20-inch barrel and Magpul PRS Lite stock.

By comparison, Barrett identifies the DMR configuration with a 16-inch barrel and Magpul SL carbine stock.

Both configurations share many core features, including billet receivers, M-LOK handguard architecture, TriggerTech trigger and ambidextrous controls.

Therefore, barrel length and stock type provide the simplest ways to distinguish the two current variants.

.308 Winchester and 6.5 Creedmoor Versions

Barrett offers the current REC10 in both .308 Winchester and 6.5 Creedmoor.

The .308 configuration uses a 1:10 twist, while the 6.5 Creedmoor configuration is listed with a 1:8 twist.

Both chamberings are documented in DMR and LR configurations.

Consequently, model identification should include caliber as well as barrel length and stock type.

Tungsten Grey and Other REC10 Finishes

Tungsten Grey is one of three colors Barrett identifies for the current REC10.

The others are Black and Flat Dark Earth.

All three use a Cerakote finish over the specified hard-anodized receiver base.

Therefore, the Tungsten Grey designation primarily identifies the exterior finish rather than a different internal operating platform.

Barrett REC10 Platform Background

The REC10 returned to Barrett’s product lineup in 2026 after a production hold associated with the company’s MRAD MK 22 contract priorities.

The current version retains direct-impingement operation while incorporating fully ambidextrous controls, premium component specifications and DMR/LR configurations.

Barrett lists .308 Winchester and 6.5 Creedmoor chamberings for the returning platform.

For official background on the current generation, see the Barrett REC10 2026 announcement.

For manufacturer documentation covering the platform, see the Barrett REC10 manual library.

Current 2026 REC10 Configuration

Barrett’s 2026 catalog identifies the REC10 LR as part of the returning platform.

The current LR configuration combines the 20-inch barrel with the PRS Lite stock and the remainder of the modern REC10 feature set.

Furthermore, the manufacturer’s catalog identifies Black, Tungsten Grey and Flat Dark Earth as available colors.

Therefore, the Tungsten Grey 20-inch .308 configuration fits directly within Barrett’s documented current REC10 LR specifications.

Identification Notes

Several characteristics can help identify the Barrett REC10 LR Tungsten Grey.

First, confirm the REC10 model markings and .308 Winchester chambering.

Next, examine the barrel length. The LR configuration uses the documented 20-inch match barrel.

The Magpul PRS Lite stock provides another important distinction from the shorter DMR configuration.

Furthermore, the 15-inch Barrett M-LOK handguard, billet receivers, ambidextrous controls and Tungsten Grey Cerakote finish provide additional visual clues.

Finally, check the individual serial-number documentation or factory configuration because components on previously owned rifles can be changed.

Barrett REC10 LR Tungsten Grey Technical Summary

In summary, the Barrett REC10 LR Tungsten Grey is the 20-inch long-range configuration of Barrett’s current REC10 semi-automatic platform.

Its major technical characteristics include a .308 Winchester chambering, 416R stainless-steel 5R match barrel, 1:10 twist and direct-impingement operation.

Additionally, the rifle uses 7075 billet receivers, a 15-inch Barrett M-LOK handguard, TriggerTech two-stage trigger, TB-41 DLC bolt carrier, Radian controls and Magpul PRS Lite stock.

The Tungsten Grey Cerakote finish completes this specific exterior configuration.

Taken together, these characteristics provide a concise technical overview of the current REC10 LR .308 platform.