Rearden Manufacturing SPB Muzzle Brake – Plan B Suppressor Mount

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Single Port Suppressor Compatible Muzzle Brake

The Rearden Manufacturing SPB Muzzle Brake is a feature-packed recoil reduction muzzle device, engineered to minimize muzzle rise and felt recoil while shooting your rifle. The aggressive porting design efficiently redirects gas, keeping your rifle stable and on target, while its suppressor-ready interface allows for seamless integration with Rearden Manufacturing and Q LLC Plan B suppressor mounts.

Features

Exceptional Recoil & Muzzle Rise Reduction – Redirects gases to stabilize the rifle, keeping you on target for faster, more accurate follow-up shots.
Suppressor Mounting Capability – The streamlined outside threads ensure seamless and secure attachment with Rearden Atlas/Atlas XL and Q LLC Plan B suppressor mounts while not sticking out like a sore thumb.
Corrosion-Resistant Finish – Built to withstand tough environmental conditions and prolonged exposure to heat and gas.
Multiple Color Options – Rearden offers the SPB in a black nitride finish, rainbow black PVD, or heat-treated option for users who like the look or plan on cerakoting it a different color anyway.

Both thread pitch muzzle devices have a .375 bore, ensuring that regardless of which thread pitch you need this device can be used with calibers as big as .338 Lapua and 9MM.

Wide Caliber Compatibility

Both thread pitch muzzle devices have a large .375 bore, meaning this device can be used with calibers as big as .350 Legend and 9MM.

.223/5.56

6.5MM/.264

7.62MM/.308

8.6MM/.338

9MM/.350

Specifications

Brand: Rearden Manufacturing
Model: SPB Muzzle Brake
MPN: 10006, 10007, 10010, 10011, 10057, and 10058
Caliber: .375
Thread Pitch: 1/2-28 and 5/8-24
Class: Flash Hider Muzzle Device
Length: 1.73″
Length Added to Barrel: 1.105″
Weight:
- 1/2×28 – 2.26 oz
- 5/8×24 – 1.73 oz
Finish: Black Nitride, Rainbow Black PVD, and Heat Treated
Material: 17-4 PH H900 Steel
Color: Black Nitride, Rainbow Black PVD, and Heat Treated

Installation

Shims are not included, if you would like to specifically time this, shims will be required. Additionally, your barrel may require a shim if the manufacturer did not put a thread relief on it.

Torque the muzzle device to approximately 15-25 ft lbs. Make sure the muzzle device is square against the shoulder. When setting the silencer on the muzzle device, ensure that the threads and tapers are clean. Torque the suppressor to 10 ft lbs. Ensure alignment. Enjoy. The nitride finish does lead to a tighter seal, with that said, it is extremely important to torque and rockset your muzzle device to the barrel properly.

Products available on this page:

The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.

If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.

If you feel that your products are eligible for a warranty evaluation due to defect in its materials or workmanship, contact them and they will get you taken care of. Just send an email to sales@reardenmfg.com explaining the issue, including photos. As long as the item displays a manufacturer defect, and it is not damaged as a result of natural wear and tear or accidents resulting in broken gear, they will replace the item or refund the purchase.

Please provide as much detail as possible in your email. Include the order number or where it was purchased from, purchase date, product, and a brief description of the issue. Most importantly please attach photos of the item including the defective area. Requests must have pictures included in order to be processed.

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