Comstock Armory Alpha Pattern Titanium LPA – Plan-B Suppressor Adapter
Purpose-built for shooters who demand precision, durability, and the lightest possible footprint, this low-profile titanium adapter is currently the lightest Plan-B style suppressor mount on the market, weighing in at just 0.7 ounces. Crafted from Grade 5 Titanium, it delivers high tensile strength and corrosion resistance with a durable PVD finish, making it ideal for duty, range, or field use.
Designed to interface flawlessly with Rearden and other Plan-B muzzle devices, this adapter features standard 1.125-28 Alpha threads, making it compatible with popular suppressors like the Octane, Omega, Rugged Obsidian (Cash/RAD 9), and PTR Vent 2, among others. It’s the go-to solution for those seeking quick-attach capability without excess weight or bulk.
Grade 5 Titanium ConstructionUltra-lightweight and incredibly strong
Currently the lightest Plan-B suppressor adapter availableOnly 0.7 oz
Standard 1.125-28 Alpha ThreadingCompatible with a wide range of suppressors
Compatible with Plan-B Style Muzzle DevicesWorks with Rearden and similar systems
Quick Attach & RemovalStreamlines suppressor swaps without tools
0.3″ Added LengthKeeps your system compact and streamlined
1-1/16″ Wrench FlatsEnables quick installation and secure fitment
Durable PVD CoatingResists corrosion and wear under heat and stress
Specifications
- Material: Grade 5 Titanium
- Finish: PVD Coated
- Thread Interface: 1.125-28 (Alpha Pattern)
- Weight: 0.7 oz
- Added Length to System: 0.3″
- Wrench Flats: 1-1/16″
- Compatibility:
- Muzzle Devices: Rearden, Other Plan-B Style
- Suppressors: SilencerCo Octane & Omega, Rugged Obsidian (Cash/RAD 9), PTR Vent 2, and others










