Description
Ultradyne built the Apollo MAX for folks running 7.62 and .308 who want their crosshairs to sit still shot after shot. This is a five-port compensator engineered off thousands of studied recoil events, and the payoff is a smooth, flat-tracking gun that lets you spot your own impacts and get back on target fast. It threads onto 5/8-24 barrels and is sized for the AR-10 and LR-308 platform, with a minimum barrel length of 16 inches.
What Sets the Apollo MAX Apart
The design does two jobs at once: knocking down felt recoil while keeping the muzzle from climbing. Gases get routed out and away from your line of sight, so you're not eating flash or dust kicking up in front of the optic. That balance is the whole point here. Plenty of brakes will flatten recoil but blast you with concussion, and plenty of comps stay quiet but let the muzzle wander. The Apollo MAX splits the difference in a way that shows up on the timer and on paper.
Build and Fit on the Apollo MAX 7.62
It's 100 percent CNC machined in the USA from 416 stainless steel and finished in salt bath nitride, which holds up to heat and hard use without babying it. The unit runs about 2.94 inches long with a .975 inch outside diameter, so it clears most handguards without drama, and it tips the scale right around 5.4 ounces with the nut installed. The 7/8 inch wrench flats make torquing it down easy.
Dialing In the Apollo MAX Comp
Ultradyne includes a shrouded timing nut, which is the part that makes this thing genuinely simple to set up. No stack of crush washers or shim guessing games. You time the compensator dead level, snug the nut, and it stays put. One thing worth knowing on any big-bore comp: pay attention to your barrel length and how far your support hand reaches, since the rearward gas pattern can reach a long arm on longer setups. On a standard 16 inch build it stays clear of most people just fine.
Key Specifications
- Model: Apollo MAX
- Manufacturer: Ultradyne USA
- MPN: UD10710
- UPC: 851019008316
- Product Type: Compensator
- Caliber: 7.62MM / .308 Win
- Barrel Thread: 5/8-24
- Material: 416 Stainless Steel
- Finish: Salt Bath Nitride, Black
- Mounting: Shrouded Timing Nut
- Length: 2.94 in (75mm)
- Outside Diameter: 0.975 in (24.8mm)
- Weight (Total): 5.4 oz (156g)
- Wrench Flats: 7/8 in
- Minimum Barrel Length: 16 in
- Made In: USA
What’s Included
- Ultradyne Apollo MAX Compensator
- Shrouded timing nut
Frequently Asked Questions
What rifles does the Apollo MAX 7.62 fit?
This version is built for AR-10 and LR-308 platforms chambered in 7.62 or .308 Winchester with 5/8-24 threaded barrels. Ultradyne calls for a minimum barrel length of 16 inches. If your barrel uses a different thread pitch, you'll need the matching version instead of this one.
Is the Apollo MAX a muzzle brake or a compensator?
It's technically a compensator that pulls double duty. It cuts felt recoil like a brake while also fighting muzzle rise, and it vents gases away from your sight picture rather than straight up into it. That combination is what makes it work well for both timed shooting and precision setups.
How does the timing nut on the Apollo MAX work?
Ultradyne includes a shrouded timing nut, so you don't have to mess with crush washers or shims to get the comp clocked level. You thread it on, time the ports where you want them, then tighten the nut against the barrel shoulder. It gives you a clean, repeatable install and holds its position once torqued.
What is the Apollo MAX made of and how durable is it?
It's CNC machined in the USA from 416 stainless steel and finished in salt bath nitride. That combo handles the heat and pressure of a hard-use .30 caliber muzzle device and resists corrosion without needing any special care. It's built to take a beating and keep performing.







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