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Lantac
The Lantac Plan-B Lamprey Flash Hider in .223/5.56 with 1/2x28 threading brings serious flash reduction to your AR build without sacrificing durability or control. Built from AISI4140 steel hardened to 48–52 Rockwell C and finished with QPQ nitriding to AMS2753D standards, this muzzle device is engineered to handle hard use and corrosive environments. The signature 'toothed' four-tine design isn't just for looks—it disrupts expanding gases more efficiently than conventional designs, cutting both flash intensity and duration downrange. Whether you're running suppressed or unsuppressed, this full-length device gives you the flexibility to mount Plan-B HUB compatible suppressors or other accessories down the road.
Precision-machined on Swiss lathes and serial-numbered for quality control, the Lamprey reflects Lantac's commitment to precision manufacturing. The mount design allows you to take advantage of Plan-B HUB modularity, opening up future suppressor options without replacing the flash hider itself. Each unit ships with a timing shim set to dial in your zero and get the indexing right the first time. Lantac recommends using semi-permanent thread locker (Rocksett, sold separately) during installation for a secure, repeatable fit.
At 2.575 inches in length with a 0.900-inch mount diameter, the Lamprey strikes a balance between signature control and compact profile. Made in the USA and built to withstand everything from the range to the field, this is a flash hider designed for shooters who refuse to compromise on performance or longevity.
| Caliber | .223 / 5.56mm |
| Thread Pitch | 1/2x28 |
| Material | AISI4140 Steel |
| Hardness | 48–52 Rockwell C |
| Finish | QPQ Nitriding (AMS2753D) |
| Length | 2.575 inches |
| Mount Diameter | 0.900 inches |
| Color | Black |
| Included Accessories | Timing shim set |
| Made | USA |
Yes. The Lamprey features a Plan-B HUB compatible mount design, which allows you to attach Plan-B HUB suppressors or other compatible accessories. Note that the mount design is not licensed from Q, so suppressor warranty terms may be affected—check with your suppressor manufacturer for specific compatibility and warranty details.
The Lamprey is threaded 1/2x28, the standard thread pitch for most .223/5.56 AR-pattern rifles and barrels.
Each Lantac Plan-B Lamprey includes a timing shim set to help you achieve proper indexing and zero. Thread locker (Rocksett) is recommended for installation but sold separately.
The Lamprey is finished with QPQ (Quench-Polish-Quench) nitriding to AMS2753D standards, which provides extreme corrosion resistance and an extended service life even in harsh or wet conditions. The base steel (AISI4140 hardened to 48–52 Rc) ensures it can withstand hard use on the range or in the field.
Lantac
The Lantac Plan-B Lamprey Flash Hider in .223/5.56 with 1/2x28 threading brings serious flash reduction to your AR build without sacrificing durability or control. Built from AISI4140 steel hardened to 48–52 Rockwell C and finished with QPQ nitriding to AMS2753D standards, this muzzle device is engineered to handle hard use and corrosive environments. The signature 'toothed' four-tine design isn't just for looks—it disrupts expanding gases more efficiently than conventional designs, cutting both flash intensity and duration downrange. Whether you're running suppressed or unsuppressed, this full-length device gives you the flexibility to mount Plan-B HUB compatible suppressors or other accessories down the road.
Precision-machined on Swiss lathes and serial-numbered for quality control, the Lamprey reflects Lantac's commitment to precision manufacturing. The mount design allows you to take advantage of Plan-B HUB modularity, opening up future suppressor options without replacing the flash hider itself. Each unit ships with a timing shim set to dial in your zero and get the indexing right the first time. Lantac recommends using semi-permanent thread locker (Rocksett, sold separately) during installation for a secure, repeatable fit.
At 2.575 inches in length with a 0.900-inch mount diameter, the Lamprey strikes a balance between signature control and compact profile. Made in the USA and built to withstand everything from the range to the field, this is a flash hider designed for shooters who refuse to compromise on performance or longevity.
| Caliber | .223 / 5.56mm |
| Thread Pitch | 1/2x28 |
| Material | AISI4140 Steel |
| Hardness | 48–52 Rockwell C |
| Finish | QPQ Nitriding (AMS2753D) |
| Length | 2.575 inches |
| Mount Diameter | 0.900 inches |
| Color | Black |
| Included Accessories | Timing shim set |
| Made | USA |
Yes. The Lamprey features a Plan-B HUB compatible mount design, which allows you to attach Plan-B HUB suppressors or other compatible accessories. Note that the mount design is not licensed from Q, so suppressor warranty terms may be affected—check with your suppressor manufacturer for specific compatibility and warranty details.
The Lamprey is threaded 1/2x28, the standard thread pitch for most .223/5.56 AR-pattern rifles and barrels.
Each Lantac Plan-B Lamprey includes a timing shim set to help you achieve proper indexing and zero. Thread locker (Rocksett) is recommended for installation but sold separately.
The Lamprey is finished with QPQ (Quench-Polish-Quench) nitriding to AMS2753D standards, which provides extreme corrosion resistance and an extended service life even in harsh or wet conditions. The base steel (AISI4140 hardened to 48–52 Rc) ensures it can withstand hard use on the range or in the field.
