Description
The Ultradyne Pegasus is a tanker-style compensator built for 6.5 Creedmoor rifles running 5/8-24 threaded barrels. It goes after the two things that throw you off between shots: felt recoil and muzzle rise. The result is a smoother, more predictable recoil impulse that keeps your reticle settled and your target in view, which matters a lot when you are behind a high-magnification optic and trying to spot your own hits.
How the Pegasus Compensator Tames the Muzzle
The magic is in the port geometry. Progressive 90-degree side ports vent combusting gas at staggered intervals, spreading the recoil energy out into a softer, more balanced push instead of one sharp jolt. Compensation ports up top redirect gas away from your line of sight so you are not fighting muzzle flip or getting a face full of blast. Folks running these on 6.5 Creedmoor rigs consistently mention noticeably reduced recoil and faster follow-up shots, whether the brake is on a gas gun or a bolt action.
Built to Last and Dynamount Ready
Every Pegasus is 100% CNC machined in the USA from 416 stainless steel and wears an ultra-rugged nitride coating, so it shrugs off heat and corrosion round after round. It is also Dynamount compatible, meaning you can pair it with Ultradyne's C4 Dynamount front sight system to run a barrel-mounted BUIS and extend your sight radius without giving up your muzzle device.
Installation is straightforward thanks to the included shrouded timing nut, which lets you clock the compensator dead level without messing with shims or crush washers. One thing worth knowing going in: like any effective brake, the Pegasus is loud and directs blast outward, so solid ear protection is a must and you will want to be mindful of anyone standing beside you at the bench. For a precision or long-range 6.5 setup where staying on glass counts, that trade-off is an easy one to make.
Key Specifications
- Manufacturer: Ultradyne USA
- Model: Pegasus
- Manufacturer Part Number: UD10240
- UPC: 851019008637
- Product Type: Tanker-Style Compensator / Muzzle Brake
- Caliber: 6.5mm Creedmoor
- Thread Pitch: 5/8-24 TPI
- Material: 416 Stainless Steel
- Finish: Black Nitride
- Outside Diameter: 1.360 in
- Overall Length: 2.43 in
- Weight: 6.7 oz
- Dynamount Compatible: Yes
- Made In: USA
What’s Included
- Ultradyne Pegasus Tanker Compensator (6.5 Creedmoor, 5/8-24)
- Shrouded timing nut
Frequently Asked Questions
What barrels will the Pegasus 6.5 Creedmoor compensator fit?
This model threads onto any barrel cut for 5/8-24, which is the common thread pitch for 6.5 Creedmoor and other .264/6.5mm rifles. It is rated for standard cartridges across the 6.5 family, including 6.5 Creedmoor, 6.5 PRC, 260 Rem, 6.5 Grendel, and more. It works on both AR-10 gas guns and bolt actions as long as the threads and bore match.
Does the Pegasus compensator include a timing nut, or do I need crush washers?
It ships with Ultradyne's shrouded timing nut, so there is no need for shims or crush washers. The timing nut lets you clock the compensator level and tighten it down cleanly, which makes for a quick and repeatable install. Most people have it mounted and squared away in just a few minutes.
Is the Pegasus loud, and does it kick back a lot of blast?
Yes. Like any brake that manages recoil this effectively, the Pegasus directs gas and sound outward, so it is noticeably louder than a bare muzzle and can be rough on anyone standing beside you. Quality hearing protection is a must, and it is something to keep in mind at a shared bench or in a blind. For the recoil control and flat tracking you get in return, most precision folks find it a worthwhile trade.
Can I run iron sights or a BUIS with the Pegasus compensator?
You can. The Pegasus is Dynamount ready, so it pairs with Ultradyne's C4 Dynamount front sight to give you a barrel-mounted backup sight and a longer sight radius. That setup lets you keep an effective muzzle device and your irons at the same time without crowding the handguard.







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