Precision CNC Components • Made in the USA

Plan B Muzzle DevicesPreciseAdaptability.

Plan B compatible muzzle devices and mounting components shaped by real manufacturing experience. Clean geometry, repeatable fit and QPQ nitride durability.

Shop Plan B muzzle devices Our manufacturing

4150 CMV steelBuilt from proven material

68 RC surfaceQPQ nitride finished

American madeManufactured in the USA

Plan B knowledge center

Choose with confidence.

Plain-language guides for comparing Plan B muzzle devices, common thread pitches, HUB adapters and suppressor-mount compatibility.

Complete guide

Plan B muzzle devices

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 comparison

Flash comp vs. muzzle brake

Compare the roles, timing requirements and unsuppressed characteristics of Plan B flash compensators and brake compensators.

Compare the options → Suppressor mounting

HUB and Plan B compatibility

Learn how a HUB suppressor adapter connects HUB-compatible suppressors with Plan B compatible muzzle devices.

Review compatibility →

The Plan B lineup

Purpose-built components.

Five precision components, direct to consumer. From machine to your smithing table, adaptability has never been so easy.

Flash compensator

$57.99

Plan B Flash Comp 1/2–28

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.

Click for full product viewView Flash Comp 1/2–28

Flash compensator

$57.99

Plan B Flash Comp 5/8–24

Machined from 4150 CMV steel and QPQ nitride finished for durability and corrosion protection. This full-auto-rated, Plan B compatible flash comp uses 5/8–24 RH internal threads, measures 1.75 inches overall, weighs 1.5 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.

Click for full product viewView Flash Comp 5/8–24

Brake compensator

$62.99

Plan B Brake Comp 1/2–28

Machined from 4150 CMV steel and QPQ nitride finished for durability and corrosion protection. This full-auto-rated, Plan B compatible brake uses 1/2–28 RH internal threads for .224-caliber or smaller projectiles, measures 1.75 inches overall, weighs 2.4 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.

Click for full product viewView Brake Comp 1/2–28

Brake compensator

$62.99

Plan B Brake Comp 5/8–24

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.

Click for full product viewView Brake Comp 5/8–24

Mounting component

$59.99

Plan B HUB Mount Adapter

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.

Click for full product viewView HUB Mount Adapter

Plan B components arranged beside a firearm platform

Made, not merchandised

Precision is the process.

Plan B is a veteran-owned company backed by more than 30 years of precision machining experience. Every component in our current lineup is machined from 4150 CMV steel on a Mazak QUICK TURN NEXUS 200-II MSY, then QPQ nitride finished for lasting durability and corrosion resistance.

Manufacturing ledProducts designed with performance in mind.

Practical fitmentPurposeful threads, wrench flats and installation geometry.

Made in AmericaAmerican manufacturing is part of the product—not a footnote.

Product in context

Designed for the build.

Compact profiles, familiar Plan B compatibility and details built around how the components are actually installed and used.

Plan B muzzle device installed on a firearm platform

Installed profile

Compact by design

Interface detail

Built around fit

Returns, Exchanges & Warranty

Buy with confidence.

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.

All Plan B products include a limited lifetime warranty for manufacturing defects.

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.

Return authorization is not refund approval. All refunds remain manual.