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AR Upper Parts

Premium spare upper parts, upper part kits, and upper part assemblies needed for your next AR-15 | AR-10 | LR-308 or AR platform build.

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Rock Bluff Arsenal

Ejection Port Hinge Pin

MSRP:

Was:

Now: (Inc. Tax)

MSRP:

Was:

Now: $1.99
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Rock Bluff Arsenal

Forward Assist Roll Pin

MSRP:

Was:

Now: (Inc. Tax)

MSRP:

Was:

Now: $1.99
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Rock Bluff Arsenal

Forward Assist Spring

MSRP:

Was:

Now: (Inc. Tax)

MSRP:

Was:

Now: $1.99
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Rock Bluff Arsenal

Forward Assist Assembly

MSRP:

Was:

Now: (Inc. Tax)

MSRP:

Was:

Now: $19.99