About
Experience You Can Trust
Liemohn Manufacturing has over 25 years of experience in the NFA community, producing DOE barrels, M16 components, and precision retro parts.
American Craftsmanship We Stand Behind
Turn-key DOE-style 9mm uppers, precision barrels, and retro AR-15 components — machined from quality materials and built for reliability.
Liemohn Manufacturing has over 25 years of experience in the NFA community, producing DOE barrels, M16 components, and precision retro parts.
Professional barrel threading, custom CNC manufacturing, barrel replacement, and specialized firearms work.
View ServicesBrowse machining work, DOE builds, completed components, product photography, and industry features.
View MediaSome products are built to order. Contact us for availability, production times, custom-order details, and shipping options.
Contact UsAmerican craftsmanship we stand behind — never in front.
Professional barrel threading, custom gunsmithing, and precision CNC manufacturing services.
Turn-key upper with an A1 carry handle, DOE-style molded resin short handguard, and optional threaded muzzle with Citadel flash hider.
Precision-machined 9mm magazine well adapter built from durable 6061 alloy for dependable fit, function, and long-lasting performance.
Purpose-built rear sight aperture engineered to provide true 50-meter calibration for 9mm AR platforms.
Precision 9mm barrel assembly with front sight base and hardware pre-installed.
Steel-bodied Colt-pattern magazines by Metalform — reliable and durable.
Retro DOE-style handguards made from original patterns for an authentic period-correct appearance.
Retro-correct A1 upper with port door and 9mm rear sight installed.
Precision three-lug adaptor machined from heat-treated 4140 steel.
Liemohn-designed Citadel flash hider for 9mm or 5.56 builds.
Accurate reproduction of iconic moderator designs.
Limited-edition “Nothing Runs Like a DOE” apparel for Liemohn Manufacturing customers and retro enthusiasts.
Liemohn MFG, LLC, ©2025 – All rights reserved
Liemohn MFG, LLC, ©2025 – All rights reserved