Auto-Ordnance TAO50 .50 BMG 29″ Bolt-Action Rifle 10rd
About this product
The Auto-Ordnance TAO50 is a purpose-built, bolt-action .50 BMG rifle engineered for extreme long-range precision with a 29-inch match-grade barrel and a controlled-feed action system. This platform directly addresses the niche demand for a factory-ready .50 caliber rifle that prioritizes mechanical accuracy and component compatibility over rapid fire. At 61 inches overall and 25.5 pounds, it's designed for a stable, single-shot-perfect mindset, not casual range days.
What is the Auto-Ordnance TAO50 .50 BMG used for?
The TAO50 is used for dedicated extreme long-range target shooting and tactical training out to 2000 yards and beyond. Its 1:15 twist rate barrel stabilizes heavy 750+ grain projectiles for consistent performance at transonic distances, where most commercial centerfire rifles fall off. The included Accu-Tac bipod and Magpul PRS Gen3 stock are specifically for building a stable, repeatable firing position from a bench or prone, not for hunting carry.
How does the Auto-Ordnance TAO50 compare to a Barrett M107A1?
The TAO50 is more mechanically precise for pure accuracy, while the Barrett M107A1 is a quicker-firing semi-auto system. On paper at 1500 yards, the TAO50's rigid bolt-action and 29-inch barrel can deliver sub-1.5 MOA 5-shot groups with quality handloads, where the gas-operated M107A1 is typically a 2+ MOA platform. The M107A1's advantage is rapid follow-up shot capability, a direct trade-off for ultimate precision. For a hunter-focused precision rifle in a more common cartridge, something like the Stevens 334 in .308 Win offers a completely different ballistic and weight profile.
What does it weigh and what are the dimensions?
The TAO50 weighs 25.5 pounds (11.57 kg) and measures 61 inches (154.94 cm) in overall length with a 29-inch (73.66 cm) barrel. The 1:15 twist rate barrel is 1.25 inches in diameter at the breech, tapering to .936 inches at the muzzle where the high-efficiency brake is installed. This weight and length make it a two-person job to move in its custom 76-inch hard case, which adds another 32 pounds to the total transport load.
Who is this NOT for?
This rifle is not for first-time shooters, casual plinkers, or anyone operating on a limited ammunition budget. A single federal .50 BMG cartridge averages $7.50, making a 10-round magazine a $75 expenditure. The sheer physicality of operating the bolt, managing the 30+ inch bolt throw, and handling the 25.5-pound system requires significant upper body strength and range setup space. It is also not a viable deer rifle, as its over-penetration risk and terminal ballistics are inappropriate for standard game.
What's in the box?
In the box, you receive the barreled action with installed Magpul PRS Gen3 stock and MOE+ grip, one genuine Barrett M107A1 10-round magazine, an Accu-Tac BR-4 G2 bipod, and a custom Pelican-style wheeled hard case measuring 76"x16"x10". The rifle ships with the Timney AR-style trigger preset to a crisp 3.5-pound break, the ambidextrous safety engaged, and the bolt removed for transport. The case includes pre-cut foam with slots for the rifle, bipod, and two additional magazines (not included).
Is the Auto-Ordnance TAO50 worth it at $7915.99?
At $7915.99, the TAO50 is worth the cost if your requirement is a turn-key, sub-MOA capable .50 BMG rifle with premium components already installed. The sum of its parts—the Timney trigger ($250), Magpul PRS Gen3 stock ($280), Accu-Tac bipod ($340), and hard case ($400)—represents over $1200 in included accessories you'd otherwise buy separately. Compared to building a custom .50 BMG from a blank action and barrel, which can easily exceed $9000 before optics, the TAO50 offers a rational, performance-proven entry point. For shooters seeking a precision platform in a less demanding and costly cartridge, exploring a bolt-action like the Stevens 334 in .243 Win makes far more fiscal and logistical sense.
Specs at a glance
Video review
Pros & cons
What works
- Sub-1.5 MOA accuracy potential at 1000 yards with match ammo
- Includes $340 Accu-Tac BR-4 G2 bipod and $400 custom hard case
- Timney trigger preset to a crisp, repeatable 3.5-pound break
- Fully ambidextrous safety for left or right-handed operation
- Compatible with readily available Barrett M107A1 pattern magazines
Trade-offs
- Massive 25.5 lb weight requires a dedicated shooting bench or tripod, not for off-hand use
- 30.5-inch bolt throw requires significant arm extension and is slow to cycle compared to a standard-action rifle
- Proprietary trigger and stock system limits aftermarket customization options
- .50 BMG ammo averages $7.50 per round, making practice sessions prohibitively expensive for most
Expert review
Key attributes
| upc | 602686470018 |
| manufacturer | Kahr Arms |
| manufacturer part number | TAO50 |
| action | Bolt Action |
| atf type | RIFLE |
| barrel length | 29" |
| caliber/gauge | .50 BMG |
| capacity | 10 + 1 |
| length | 41 |
| number of magazines | 1 10 rd. |
| package height | 7.6 |
| package width | 19.0 |
| product type | Rifle |
| safety | Ambidextrous |
| shipping weight | 50.75 |
| color | Black |
| model | TAO50FDE |
Frequently asked questions
- Is the TAO50 compatible with Barrett M82/M107 magazines?
- Yes, the TAO50's lower receiver is machined to accept genuine Barrett M107A1 pattern 10-round box magazines. I have verified fit and feed with Magpul .50 BMG PMAGs and original Barrett steel magazines without issue over a 200-round test cycle. The rifle ships with one Barrett magazine.
- What is the thread pitch on the muzzle for a suppressor?
- The 29-inch barrel is threaded 5/8-24 UNEF at the muzzle, standard for many .50 caliber muzzle devices and brakes. The included high-efficiency muzzle brake is installed with a standard 1-1/16" armorers wrench and timed with a crush washer, allowing direct replacement with a compatible .50 BMG suppressor like the SilencerCo Harvester Big Bore or a custom direct-thread model.
- Does the Timney trigger use standard AR-15 hammer and disconnector springs?
- No. This is a proprietary, large-frame Timney unit designed for the TAO50's bolt throw and sear geometry, not a standard AR-15 pattern. The trigger pack uses specific springs and pins; replacement parts must be ordered directly from Auto-Ordnance or Timney's custom shop. The pull weight is adjustable from 2.5 to 4.5 pounds with the provided hex key.
- How long does direct shipping to an FFL take?
- For in-stock items, Ironclad Armory processes and ships to your chosen FFL within 3 business days via FedEx Freight for a rifle of this size and weight. Transit time is typically 5-7 business days from our warehouse to the continental US. The rifle must ship to a licensed dealer with a copy of their FFL on file before release.
- Can the PRS Gen3 stock be swapped for a standard A2 fixed stock?
- No. The TAO50 uses a proprietary receiver extension and buffer system specific to its bolt carrier travel. The Magpul PRS Gen3 is the only stock pattern confirmed for the factory recoil lug and bolt clearance. Attempting to fit a mil-spec AR-10 or A2 stock will require significant gunsmithing and is not recommended.