Armory - OSA Parts & Accessories

OSA Buffer Tube Kit

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Was:

Now: $55.00

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OSA Premium Upper Parts Kit

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Now: $125.00

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OSA Basic Upper Parts Kit

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Now: $25.00

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OSA15 AR15 Upper receiver (Thermal Fit)

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Was:

Now: $125.00

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OSA Basic Lower Parts Kit (LPK)

MSRP:

Was:

Now: $150.00

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OSA Buffer Tube Kit

OSA Mil-Spec Buffer Tube Kit The OSA Mil-Spec Buffer Tube Kit includes everything needed to complete your AR-15 lower receiver with high-quality, American-made components built for reliability and long service life. Featuring a 7075-T6 aluminum receiver...

MSRP:

Was:

Now: $55.00

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OSA Premium Upper Parts Kit

OSA Premium Upper Parts Kit (UPK) The OSA Premium Upper Parts Kit includes the highest-quality components needed to complete your AR-15 upper receiver. Manufactured in the USA by Forward Controls Design (FCD), this kit replaces standard mil-spec...

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Was:

Now: $125.00

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OSA Basic Upper Parts Kit

OSA Basic Upper Parts Kit The OSA Basic Upper Parts Kit includes the essential components needed to complete a standard AR-15 upper receiver. Made in the USA, this kit offers dependable mil-spec functionality with one small improvement that can make your...

MSRP:

Was:

Now: $25.00

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OSA15 AR15 Upper receiver (Thermal Fit)

OSA15 AR-15 Upper Receiver (Thermal Fit) The OSA15 Thermal Fit Upper Receiver is built for shooters who want the tightest possible receiver fit without relying on tension screws or oversized takedown pins. Machined from a 7075-T6 forged receiver...

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Now: $125.00

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OSA Basic Lower Parts Kit (LPK)

OSA Basic Lower Parts Kit (LPK) The OSA Basic Lower Parts Kit is designed for builders who want dependable, American-made quality without paying for features they don't need. Manufactured in the USA by Schmid Tool—one of the industry's most...

MSRP:

Was:

Now: $150.00

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