CSS produces nearly 500 different precision metal parts that are used in firearms and weapons systems. Over the course of decades, we have cemented longstanding relationships with many OEMs who have come to rely on our skills. Our partnerships with companies such as Smith & Wesson, Lockheed Martin, Raytheon, General Dynamics, Textron Defense, Sturm Ruger, SIG Sauer, Remington Arms, and Colt Defense are grounded in our ability to develop and test new technologies. We call on our decades of experience in the market and our ability to innovate and adapt to constantly changing industry needs to support our defense & firearms customers. They value our knowledge gained from other critical performance industries, such as medical devices and aerospace, as well as the proactive support that we provide for every step of a project. We strive to meet demanding schedules, budgets, and volume production requirements, keeping our clients ahead of the curve in every way.
We are constantly called upon to produce challenging, tight-tolerance components and assemblies, whether the project is for a government bid or the consumer market. Our components are found in many brand name firearms, enabling our clients to launch cutting-edge products that in turn surpass their own customers’ specifications and requirements. Our defense & firearms components and applications include:
CSS has been producing government and defense products complying to the Buy America Directive for over 75 years. We are an approved government supplier that meets exacting government purchasing requirements and industry standards.
In addition to OEM projects, we sell an extensive line of our very own original equipment and replacement parts designed specifically for the AR-15/M16/M4 family of firearms. See our AR-15/M16/M4 Parts Shop for a parts list and ordering information.
|Fore End Support||Magazine Tube||Recoil Spring||Slide Stop Assembly|
|Slide Stop Lever Assembly||Magazine Catch||Spring Clip||Feed Latch|
|Slide Stop Lever Assembly||Trigger Bar||Charging Handle Latch||Trigger Bar|
|Carrier||Receiver Housings Upper and Lower||Receiver End Plate||Shot Gun Shell Latch|
|Rear Sight||Spring Extension||Receiver End Plate||Ejector|
|Magazine Tube Assembly||Frost Shield or Cable Guide||Ejector Spring||Magazine Latch|
|Handguard Cap||Saddle Ring Assembly||Interceptor Latch||Ejector|