Thunder Beast: Dominus K SR Suppressor .30 Cal

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Thunder Beast : Dominus-K-SR
$1,416.00
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The Dominus-K-SR suppressor is a great choice for SBR rifles and precision rifles alike. The DOMINUS-K-SR meters at 145 dB (milspec left/right) and 134 dB at shooters-ear1 on a 20-inch .308 bolt-action rifle. On 10.3-inch "Mk18" AR-15 SBR (without any special tuning) shooting Mk318 5.56 ammunition, it meters at 145 dB muzzle (milspec left/right) and 144 dB at the shooter's ear. Note that this is the same as the shooter's ear dB for the full-size DOMINUS-SR for an untuned upper, which means that the shooter is experiencing primarily noise from the action as opposed to noise from the muzzle report. These are numbers from our PULSE system which should be considered definitive, supplanting all data from the older 2209 sound-level meters. The DOMINUS-K-SR features our "SR" quick-attach/detach mount to provide Secondary Retention, retention during hard-use and heat cycles, and precision-rifle-level accuracy. The DOMINUS-K-SR is rated for what we call a "Hard-Use/Full-Auto" (HU/FA) firing schedule. TBAC specifies this as surviving at least 10 cycles of the SOCOM/SURG firing schedule. The SR mount keeps the suppressor tight throughout each cycle and is a key feature in enabling this rating. After 10 SOCOM/SURG cycles, a test unit metered 1 dB louder than a brand new unit. The SR mount still functions and is easily removed at the end of the series of cycles (see video on the right-hand column). 

Specifications

Maximum rated caliber .30 caliber, up to .300 RUM
Material Titanium
Length 5.45 inches
Diameter 1.85-inch OD (collar)
1.80-inch OD
Mounts SR series brake (full spec)
Weight 10.0 ounces
Brake threads available 1/2-28, 5/8-24, 9/16-24, 3/4-20, 3/4-24, 3/4-28, M15x1.0, M18x1.0, M18x1.5
Finish Black CeraKote; OD Green or FDE available
Brake Material Heat-treated 17-4 stainless
Brake Finish Ionbond DLC

DOMINUS-SR CATEGORY: "HARD-USE/FULL-AUTO" [HU/FA]

Lifetime to exceed at least 10 SURGE cycles on a 10.5" M4 / MK18.

One SOCOM/SURGE CYCLE comprises
Mag 1:    1 round/second
Mag 2:    2 rounds/second
Mag 3:    1 round/second
Mag 4:    3-5 round burst
Mag 5:    1 round/second
Mag 6:    2 rounds/second
Mag 7:    1 round/second
Mag 8:    1 continuous burst

Outlined in Section 3.6.1.i. in Solicitation H92222-17-R-0011

The basis for this is the SOCOM/SURGE specification, which is a common heavy firing schedule specified in many military solicitations. One SURGE cycle is 8 magazines fired in this pattern, with magazine changes happening as quickly as possible. After a full 8-magazine cycle, the suppressor and firearm is allowed to cool to ambient. This firing schedule significantly exceeds the worst-case application of assault rifles and baffle rifles. A milspec M4 needs service and inspection after each cycle to keep operating.

Most common 17-4 steel muzzle brakes will be eroded significantly or have critical surfaces destroyed after 2-4 SURGE cycles. How often has your firing schedule destroyed your muzzle brake? If the answer is never, you haven't even exceeded half of what this suppressor can take.

Suppressors in this category will still have minimum barrel length ratings for most cartridges.

The SR muzzle brake will have a replacement schedule if fired "to the letter" of this schedule. It is recommended that the SR brake be replaced when visible deformation of the brake ports happens, or the suppressor simply won't fit over the brake anymore.

APPLICATION NOTES

Minimum barrel lengths: 

5.5" .300 Blackout (subsonic and full power)
7.5" 6.8 SPC, 7.62x39
10.3" 223 Rem, 5.56, 6.5 Grendel
12.5" .308 Win, .260 Rem, 6.5 Creedmoor
18" 6.5 SAUM, 6.5 PRC, 7mm RM, 7mm WSM, .300 WIN MAG, .300 WSM, 6.5 PRC, 7 SAUM
20" 7mm RUM, .300 RUM, .300 Wby
22" .300 Norma Magnum, 28 Nosler, 7 STW, 26 Nosler

 

___LEGAL INFO___

Mile High Shooting Accessories (MHSA) will only ship suppressors to Class III FFL holders. BATF regulation information for Suppressor ownership are as follows:

Be at least 21 years of age.
Be a U.S. citizen. 
Have no felony convictions or domestic violence convictions. 
Have no dishonorable discharge. 
Not deemed mentally unstable by a competent authority. 

The NFA rules/laws are posted through the BATF website. At this time, the following states ALLOW private ownership of suppressors: AL, AK, AR, AZ, CO, CT, FL, GA, IA, ID, IN, KS, KY, LA, ME, MD, MI, MN, MO, MS, MT, NC, NE, ND, NV, NH, NM, OH, OK, OR, PA, SC, SD, TN, TX, UT, VA, VT, WA, WV, WI, and WY. CA allows class 3 dealers and class two manufacturers to possess suppressors.

 

 

 

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