The Gen2 338 Ultra SR is the quietest .338 caliber suppressor on the market today for everything up to .338 Lapua Magnum. It’s quieter than the Gen1 by about 3db, and .2 ounces lighter. It offers class leading suppression levels with extreme light weight. It has the same SR (Secondary Retention) mount as the Dominus-SR, Dominus-K-SR, and Magnus-SR. This model is 0.60-inch longer and 2.8 ounces heavier than the BA Version (338 Ultra non-SR). The Gen2 338 Ultra SR has the same Hard-Use/Full-Auto as the DOMINUS-SR, ie, Lifetime to exceed at least 10 SURGE cycles on a 10.5″ M4 / MK18.
Specifications
- Caliber: .338 caliber, up to .338 Lapua Magnum or .338 RUM
- Material: Titanium
- Length: 11.0 inches.
- Diameter: 1.8 inches (suppressor body); 1.85 inches (rear collar)
- Weight: 20 ounces
- Included Muzzle Brake: .338 SR 3/4×24
- Finish: High-Temp CeraKote: Black
- Use: Precision/Long-range on big-bore magnums, Hard use/Full-auto
Minimum Rated Barrel Lengths
- 5.5″ .300 Blackout (Full power and Subs), 6.8 SPC, 7.62×39,
- 8″ .308, 6.5 Creedmoor, .260 Rem, 6 Creedmoor, .243 Win, .22 Creedmoor, .223/556 (SEMI AUTO)
- 10.3″ .223/556 (FULL AUTO per Dominus-SR schedule)
- 12″ 26 Nosler, 6.5 SAUM, 6.5 PRC, 7 WSM, 7 SAUM, 7 STW, 7 RM, 300 WSM
- 14.5″ 300 PRC, 300 RUM, 7 RUM, 300 WM, 300 WBY, 6.5-300 WBY
- 16″ 300 NORMA, 28 Nosler, 338 LAPUA, 338 NORMA
Additional Thunder Beast Muzzle Brakes sold separately.






