Precision milling, grinding and lathe operations

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Master Matic Inc. is an established machine shop in Osseo, Minnesota, with a proud history of manufacturing precision tooling parts for the ammunition industry since 1965. We've built strong relationships with leading companies such as Olin Winchester, Remington-Federal Cartridge, DM Holding, Hornady, and Sig Sauer, consistently delivering the high-quality components they rely on. 

We specialize in custom spring strippers and collets, meticulously crafted to blueprint specifications. Our expertise also extends to manufacturing Ferro-Tic parts and tooling tailored for your ammunition product needs. Please note: we do not have the facilities for carbide work or punch manufacturing. 

Our capabilities are supported by a comprehensive range of precision machinery, including:

Id Grinders 

OD Grinders

Surface grinders 

Mills

Chucker 

CNC Lathes 

CNC Mill 

Master Matic Strippers are engineered for superior performance featuring: 

Manufactured from high-quality tool steels: M2, A2, D2, O1, and K340

Rockwell hardness up to 65 R/c 

ID Finish: 8v to 4v (micro finish, polished, and pit-free) 

ID tolerances: .0005

Cutting edge: Ground and sanded for a sharp, precise cut 

Optional hard chrome finish available 

Master Matic Collets offer exceptional durability and accuracy:

Constructed from L6 spring steel 

Time-tested dual temper heat treatment process 

Fixture ground ID to your exact specifications

ID tolerances .0005 .001 TIR

We are confident that our commitment to precision and quality aligns with your production requirements. We welcome the opportunity to discuss how Master Matic Inc. can become a valuable partner in your supply chain. 

Please contact us below to explore how we can support your needs.