Plan B compatible muzzle devices, suppressor mounting components, direct-thread HUB adapters and timing hardware shaped by real manufacturing experience.
100% Made in the USAEvery Plan B product you receive is manufactured in the USA, in Tennessee.
Plain-language guides for comparing Plan B muzzle devices, common thread pitches, HUB adapters and suppressor-mount compatibility.
Understand the Plan B interface, flash-comp and brake options, thread pitches, HUB suppressor adapters and the checks that matter before purchase.
Read the selection guide → Product comparisonCompare the roles, timing requirements and unsuppressed characteristics of Plan B flash compensators and brake compensators.
Compare the options → Suppressor mountingLearn how a HUB suppressor adapter connects HUB-compatible suppressors with Plan B compatible muzzle devices.
Review compatibility →Nine purpose-built products, direct to consumer. Choose muzzle devices, suppressor adapters and timing hardware from one focused catalog.
PLAN B THREAD & TAPER PROTECTOR Keep the threads and taper on any plan B compatible muzzle device protected when suppressor is not attached!! Muzzle device shown in photos for reference only- NOT included.
Machined from 4150 CMV steel and QPQ nitride finished for durability and corrosion protection. This full-auto-rated, Plan B compatible flash comp uses 1/2–28 RH internal threads, measures 1.75 inches overall, weighs 1.7 ounces and has a 68 RC surface hardness.
No timing, shims or peel washer are required. The fluted body aids flash distortion when shooting unsuppressed. Install with your preferred thread locker and torque to 25–30 ft-lb. Made in the USA.
A compact, full-auto-rated flash compensator built around Plan B compatibility. Its fluted body helps distort flash when shooting unsuppressed while maintaining clean, no-timing installation geometry.
Machined from 4150 CMV steel and QPQ nitride finished for durability and corrosion protection. This full-auto-rated, Plan B compatible brake uses 5/8–24 RH internal threads for .308-caliber or smaller projectiles, measures 1.75 inches overall, weighs 1.8 ounces and has a 68 RC surface hardness.
The brake chamber acts as a sacrificial baffle and helps reduce recoil when shooting unsuppressed. Timing is required and a peel washer is included. Install with your preferred thread locker and torque to 25–30 ft-lb. Made in the USA.
Machined from 4150 CMV steel and QPQ nitride finished for durability and corrosion protection. The 1.375–24 threads convert HUB-compatible suppressors to the Plan B mounting system, while .900–24 external threads and a 25-degree taper support compatibility with other manufacturers’ adapters.
The adapter measures .700 inch overall, weighs 1.7 ounces and has a 68 RC surface hardness. Install into a HUB-compatible suppressor at 35 ft-lb of torque. Made in the USA.
Converts a compatible HUB-interface suppressor to a direct-thread configuration for a firearm with confirmed 1/2–28 muzzle threads.
A black Melonite QPQ finish supports durability and corrosion resistance. Confirm both interfaces before installation.
Converts a compatible HUB-interface suppressor to a direct-thread configuration for a firearm with confirmed 5/8–24 muzzle threads.
A black Melonite QPQ finish supports durability and corrosion resistance. Confirm both interfaces before installation.
Laminated-steel peel washers for timing compatible muzzle devices: .506-inch ID × .820-inch OD × .063-inch overall.
Six washers per pack with .002-inch peelable layers. Washer-only carts ship free.
Laminated-steel peel washers for timing compatible muzzle devices: .631-inch ID × .820-inch OD × .063-inch overall.
Four washers per pack with .002-inch peelable layers. Washer-only carts ship free.
Plan B is a veteran-owned company backed by more than 30 years of precision machining experience. Every product we ship is manufactured in the USA at our own shop in Tennessee. Our muzzle devices and Plan B HUB Mount Adapter are machined from 4150 CMV steel, then QPQ nitride finished. The expanded lineup also includes black Melonite QPQ direct-thread adapters and laminated-steel timing washers.
Compact profiles, familiar Plan B compatibility and details built around how the components are actually installed and used.
Unused, uninstalled products may be returned within 30 days of delivery in their original condition and packaging. Items that have been installed, fired, modified or damaged after delivery cannot be returned.
Return shipping is on us. Approved returns receive a prepaid USPS return label by email; there are no restocking fees. Refunds go back to the original payment method, typically within 4 business days of approval, and your bank may take a few more days to post it.
All Plan B products include a limited lifetime warranty for manufacturing defects.
Plan B Muzzle Devices warrants to the original purchaser that each Plan B product is free from defects in materials and workmanship for the life of the product. If a product fails because of a manufacturing defect, we will, at our option, repair it, replace it with the same or an equivalent product, or refund the purchase price. Return shipping for an approved warranty claim is prepaid by Plan B.
This warranty does not cover damage from improper installation, incorrect thread pitch or fitment, use with an incompatible firearm or suppressor, over-torquing, modification, neglect, accident, misuse, normal finish wear, or ordinary erosion from firing. It is limited to repair, replacement or refund and, to the extent permitted by law, excludes incidental and consequential damages. Some states do not allow those exclusions, so they may not apply to you; this warranty gives you specific legal rights, and you may also have other rights that vary from state to state.
To make a claim, use the return form below or email support@planbmuzzledevices.com with your order number and a description or photo of the defect.
Claim approval only authorizes an eligible item to be returned; it does not approve or issue a refund. A refund requires the returned product to be received, inspected and verified unused and uninstalled, followed by a separate manual refund approval.
A verified duplicate order may be manually canceled and refunded before shipment. Once an order has shipped, the standard return and inspection process applies.
If you receive an incorrect or defective product, file a return claim and we’ll review it.
