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United Defense Gun Parts

Discover a wide range of hard-to-find gun parts for firearms, from classic military issue guns to modern sporting rifles, all available in our United Defense Gun Parts category. As your trusted source for enthusiasts and professionals alike, we offer high-quality components designed to meet the needs of any shooter or collector.

AR-15 Pivot Pin Detent Spring - 8448586-2
AR-15 Pivot Pin Detent Spring

$1.95
AR-15 Pivot Pin Detent - 8448585-2
AR-15 Pivot Pin Detent

$2.95
AR-15 Pivot Pin – Brand New, MIL-SPEC AR-15 Pivot Pin
AR-15 Pivot Pin

$4.95
AR-15 Selector Detent Spring - 8448516
AR-15 Selector Detent Spring

$2.25
AR-15 Selector Detent - 8448631
AR-15 Selector Detent

$1.95
AR-15 Selector – Brand New, MIL-SPEC AR-15 Selector
AR-15 Selector

$7.95
AR-15 Takedown Pin Detent Spring
AR-15 Takedown Pin Detent Spring

$1.95
AR-15 Takedown Pin Detent
AR-15 Takedown Pin Detent

$3.95
AR-15 Takedown Pin
AR-15 Takedown Pin

$4.95
AR-15 Trigger Spring
AR-15 Trigger Spring

$2.95
AR-15 Trigger Pin
AR-15 Trigger Pin

$2.25
AR-15 Hammer Pin – Brand New, MIL-SPEC AR-15 Hammer Pin (Note: Order includes one pin)
AR-15 Hammer Pin

$2.25
AR-15 Hammer Spring alternate angle showing dual coiled torsion spring ends, center loop, and straight legs from top side perspective
AR-15 Hammer Spring

$2.95
AR-15 Bolt Catch Roll Pin - MS16561-119
AR-15 Bolt Catch Roll Pin

$1.95
AR-15 Bolt Catch Plunger – Brand New, MIL-SPEC AR-15 Bolt Catch Plunger
AR-15 Bolt Catch Plunger

$2.25
AR-15 Bolt Catch Spring - 8448633
AR-15 Bolt Catch Spring

$1.95
AR-15 Bolt Catch
AR-15 Bolt Catch

$7.95
AR-15 Trigger Guard Roll Pin – Brand New, MIL-SPEC AR-15 Trigger Guard Roll Pin
AR-15 Trigger Guard Roll Pin

$2.25

About United Defense

United Defense serves as the parent company of Keep Shooting, established to oversee the strategic growth and operational needs of the organization. Our mission at United Defense is rooted in a commitment to providing top-tier outdoor and shooting sports equipment at competitive prices, ensuring exceptional value for our customers. With a team of seasoned professionals boasting decades of expertise in the industry, we continue to deliver innovative products and unparalleled service, building on a legacy of excellence that spans over 20 years. Trust United Defense and Keep Shooting as your premier source for all your outdoor and shooting sports needs—where every purchase is designed to maximize the value of your hard-earned money.

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