Description
There is something refreshing about a rifle that does one thing and does it extremely well. The Barrett M99 is a single-shot bolt-action .50 BMG built around the idea that fewer parts means more consistency. No magazine, no complicated feeding system, just a big bolt, a match-quality trigger, and a 32 inch heavy barrel that sends heavy-for-caliber bullets exactly where you point them. For extreme long-range work, benchrest sessions with a big bore, or just owning a proper fifty without the price tag of a semi-auto, the M99 is one of the smartest ways into the caliber.
How the M99 Earns Its Accuracy
The receiver starts life as a one-piece 7000 series aluminum extrusion, and the match-grade barrel is pressed and locked into it to create a single rigid structure. A heat-treated steel M1913 rail sits up top, secured with closely spaced high-strength bolts, so your scope stays put shot after shot. The bolt itself is machined from a single piece of tool steel with 15 locking lugs engaging the barrel extension, giving this action serious strength behind every round. The 1:15 twist stabilizes the heavier .50 caliber projectiles that shine past 1,000 yards.
Living With a 32" Heavy Barrel Fifty
At roughly 25 pounds with a 50 inch overall length, this is a rifle that lives on a bipod or a bench, and that mass is a feature. Combined with the high-efficiency muzzle brake and the Sorbothane recoil pad on the fixed stock, felt recoil is far softer than most people expect from a .50 BMG. Many shooters compare it to a stout 12 gauge. Cleaning and maintenance are simple too, since the whole rifle breaks down without tools by pulling three quick-release assembly pins.
Barrett includes a detachable, adjustable bipod and a hard-sided case with a fitted insert, so you are range-ready once you mount glass. If you have been eyeing the fifty caliber world, the M99 is the no-nonsense way in from the company that built its name on this cartridge.
Key Specifications
- Manufacturer: Barrett Firearms
- Model: M99 (Model 99)
- MPN: 13307
- UPC: 816715011398
- Caliber: .50 BMG
- Action: Single-Shot Bolt Action
- Capacity: 1 Round
- Barrel Length: 32" Heavy Match-Grade Contour
- Twist Rate: 1:15"
- Muzzle Device: High-Efficiency Muzzle Brake
- Receiver: One-Piece 7000 Series Aluminum Extrusion
- Optics Rail: Heat-Treated Steel M1913 Picatinny
- Stock: Fixed with Sorbothane Recoil Pad
- Finish: Black Cerakote over Hardcoat Anodized
- Overall Length: 50"
- Weight: Approx. 25 lbs
What’s Included
- Barrett M99 .50 BMG rifle with 32" heavy barrel
- Detachable adjustable bipod
- Hard-sided carry case with fitted insert
- Operator's manual
Frequently Asked Questions
How bad is the recoil on the Barrett M99 in .50 BMG?
It is much more manageable than most people expect. Between the roughly 25 pound weight, the high-efficiency muzzle brake, and the Sorbothane recoil pad, felt recoil ends up in the neighborhood of a heavy 12 gauge load. The muzzle blast is significant though, so good ear protection is a must and your neighbors on the firing line will notice.
Does the Barrett M99 come with a scope or iron sights?
No, this rifle ships without any sighting system. It comes optics-ready with a heat-treated steel M1913 Picatinny rail bolted to the top of the receiver. Plan on a quality long-range scope with rings rated for .50 BMG recoil, and note the rail's built-in cant helps you get the elevation needed for extreme distance work.
Is the M99 really a single shot? How does loading work?
Yes, there is no magazine. You run the bolt back, drop a round into the feed area, and chamber it manually with each shot. That simplicity is a big part of why the M99 delivers such repeatable accuracy, since there are very few moving parts and the receiver stays extremely rigid.
How hard is the Barrett M99 to clean and maintain?
Easier than you would think for a fifty. The rifle disassembles without tools by pulling three quick-release pins that free the trigger housing and bolt guide. The bolt itself only has a few moving parts, basically an extractor, ejector, and firing pin assembly, so routine maintenance is quick and straightforward.




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