ARMSLIST – For Sale: Barrett 82A1 CQ 50BMG 20″ Barrel, 10 Round

A Barrett 82A1 CQ in .50 BMG with a 20-inch barrel and 10-round magazine, offering compact firepower for long-range shooters and collectors.

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Description

The Barrett 82A1 CQ in .50 BMG represents a significant engineering choice for shooters who require the legendary stopping power of the Barrett platform in a more maneuverable configuration. For U.S. shooters operating in open terrain, mountainous regions, or engaging targets at extended distances from vehicles or fixed positions, this 20-inch barrel variant reduces overall length without sacrificing the cartridge’s inherent long-range capabilities. Whether you are a collector seeking a distinct variant of the M82A1 lineage or a precision shooter looking to reduce bulk during transport, this model offers a practical balance of power and portability.

What This Product Is and Who It Is For

This listing is for a Barrett 82A1 CQ (Close Quarters) semi-automatic rifle chambered in .50 BMG, featuring a 20-inch barrel and a 10-round detachable magazine. The CQ designation indicates a shortened barrel and overall length compared to the standard M82A1, making it more suitable for shooters who need to operate in tighter spaces or who prioritize ease of transport. This firearm is intended for experienced long-range target shooters, collectors of military-grade firearms, and those who engage in precision shooting at distances beyond 1,000 yards. It is not a home defense firearm due to its size, weight, and overpenetration potential, nor is it typically used for hunting in most U.S. states due to caliber restrictions. Instead, it serves as a dedicated tool for range use, steel plate engagement, and long-range target competition where .50 BMG is permitted.

Key Specifications

  • Caliber: .50 BMG (12.7x99mm NATO)
  • Action: Semi-automatic, gas-operated with dual spring cylinder system
  • Barrel Length: 20 inches (508 mm)
  • Overall Length: Approximately 48 inches (depending on stock configuration)
  • Weight: Approximately 28-30 lbs unloaded (varies with accessories)
  • Magazine Capacity: 10 rounds, detachable box magazine
  • Finish: Standard Barrett black oxide/parkerized finish on barrel and receiver
  • Sights: Picatinny rail (MIL-STD-1913) for mounting optics; no iron sights included
  • Stock: Fixed, with integrated recoil pad and adjustable cheek rest
  • Muzzle Device: Muzzle brake designed to reduce recoil and muzzle rise
  • Safety: Manual thumb safety
  • Country of Origin: United States (manufactured in Christiana, Tennessee)

Feature Deep-Dive

The 20-inch barrel on this Barrett 82A1 CQ is a defining feature that distinguishes it from the standard 29-inch barrel M82A1. While the shorter barrel reduces overall muzzle velocity by approximately 200-300 feet per second depending on the specific .50 BMG load, it significantly improves maneuverability in confined spaces such as shooting positions inside vehicles, through narrow windows, or in urban shooting environments. This barrel length still provides ample velocity for engaging targets out to 1,500 yards with proper ammunition selection, making it a viable option for long-range shooters who do not require the maximum velocity of a longer barrel. The reduced length also lowers the overall weight by roughly 1-2 pounds, which eases carry during range sessions or when moving between firing positions.

The gas-operated action is a hallmark of the Barrett M82A1 series, utilizing a dual spring cylinder system that reliably cycles even with the reduced gas port pressure from the shorter barrel. This system directs propellant gas from the barrel into a cylinder that drives the bolt carrier rearward, ejecting the spent case and chambering a fresh round from the 10-round magazine. The CQ model retains the same robust bolt and extractor design as the full-length version, ensuring consistent feeding and extraction with a variety of .50 BMG ammunition types, including M33 ball, M8 API, and M17 tracer. The action is easily field-strippable for cleaning, and the barrel can be removed from the upper receiver for transport or maintenance without specialized tools.

The receiver and barrel are constructed from high-grade steel with a parkerized finish that provides corrosion resistance and a non-reflective surface suitable for field use. The upper receiver features a full-length Picatinny rail that allows for mounting a wide range of optics, from traditional long-range scopes to red dot sights for closer engagement. The lower receiver houses the trigger group and magazine well, with a trigger pull weight that is factory-set at approximately 6-8 pounds, offering a clean break with minimal creep. The fixed stock includes an adjustable cheek rest that can be raised or lowered to accommodate different optic heights, and the recoil pad effectively mitigates the substantial recoil generated by the .50 BMG cartridge.

The 10-round magazine is a standard Barrett M82A1 pattern magazine, constructed from steel with a durable black finish. It feeds reliably from both single and double-stack configurations, and the magazine catch is ambidextrous for ease of use. The CQ model ships with one magazine, but additional magazines are available separately from Barrett or aftermarket suppliers. The muzzle brake is a multi-port design that directs gas upward and to the sides, reducing felt recoil by an estimated 30-40% compared to a bare muzzle. This brake also helps keep the muzzle down during rapid follow-up shots, though .50 BMG semi-automatic fire is typically conducted at a deliberate pace.

Overall build quality is consistent with Barrett’s reputation for manufacturing heavy-duty firearms that withstand sustained use. The barrel is cold hammer-forged and chrome-lined for extended service life, and the bolt carrier group is machined from billet steel. The rifle is disassembled into two main components—the upper receiver with barrel and the lower receiver with stock—for transport, which is a useful feature for shooters who need to fit the rifle into a standard hard case. The CQ variant is also compatible with Barrett’s quick-change barrel system, though the included 20-inch barrel is the only one provided with this listing.

Ideal Use Cases

  • Long-Range Target Shooting: The 20-inch barrel still delivers sufficient velocity for consistent hits on steel targets at 1,000 to 1,500 yards, making it a valid option for range use where .50 BMG is permitted.
  • Collector Piece: The 82A1 CQ is a less common variant than the standard M82A1, making it a desirable addition to collections focused on military sniper rifles or large-caliber firearms.
  • Vehicle or Fixed Position Use: The shorter barrel reduces the overall footprint, allowing for easier deployment from vehicle mounts or through ports in shooting structures.
  • Competition: Some long-range matches and steel plate events have divisions for .50 BMG rifles, and the CQ model’s reduced weight can be advantageous in multi-position stages.

Compatibility Notes

This Barrett 82A1 CQ is chambered for .50 BMG (12.7x99mm NATO) ammunition only. Do not attempt to use .50 caliber machine gun blanks, sub-caliber adapters, or modified cartridges. The rifle is designed to function with standard military-grade .50 BMG ammunition, including M33 ball, M8 API, and M17 tracer. Commercial ammunition from manufacturers such as Hornady, Federal, or PMC is also compatible, though you should verify that bullet profile and overall cartridge length do not interfere with feeding. The Picatinny rail accepts any optic with a MIL-STD-1913 interface, and the muzzle brake is threaded to accept standard Barrett muzzle devices or suppressors (where legal and with proper tax stamps). Magazines are specific to the Barrett M82A1/M107 pattern and are not interchangeable with other .50 BMG rifles. Holsters are not applicable to this firearm.

FAQ

1. Can this rifle be shipped to my address in the United States?
This rifle can only be shipped to a Federal Firearms License (FFL) holder in your state. We do not ship directly to residential addresses. You must provide the name and address of a licensed FFL dealer who is willing to accept the transfer. We ship to all 50 states where .50 BMG rifles are legal; some states and localities may have restrictions, so please verify with your FFL before ordering.

2. How does the FFL transfer process work?
After placing your order, you will need to provide the contact information for your chosen FFL dealer. We will verify their license with the ATF and ship the rifle to them. You then complete the ATF Form 4473 and a background check at the dealer’s location before taking possession. The dealer may charge a transfer fee, which is not included in the purchase price.

3. What ammunition is compatible with this rifle?
This rifle is designed for .50 BMG (12.7x99mm) ammunition only. It functions reliably with standard military and commercial loads, including M33 ball, M8 armor-piercing, and M17 tracer. Avoid using reloaded ammunition, as it may not meet pressure specifications. For best accuracy, use factory-new ammunition from reputable manufacturers.

4. What warranty does Barrett provide for this rifle?
Barrett Firearms Manufacturing provides a limited lifetime warranty to the original owner for defects in materials or workmanship. This warranty is transferable to subsequent owners for a fee. The warranty covers repair or replacement of defective parts at Barrett’s discretion. Normal wear and tear, misuse, or modification by unauthorized parties voids the warranty. Contact Barrett directly for warranty service.

5. What is your return policy for this item?
All firearm sales are final. We do not accept returns on firearms due to federal regulations and safety concerns. If the rifle arrives damaged or with a factory defect, contact us within 48 hours of delivery to arrange a replacement or repair through Barrett’s warranty. Accessories included with the rifle are covered by their respective manufacturer warranties.

Closing Call to Action

This Barrett 82A1 CQ is available for purchase and can be shipped to your licensed FFL dealer anywhere in the United States where legal. Order now to secure this compact .50 BMG variant for your collection or long-range shooting needs.

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