The K2 upper is the standard 20" upper our PCR-4 rifles come equiped with. These are standard uppers that replicate the military M16A2 upper - but better! These uppers are available in either pre-ban or post-ban configuration. If you do not see an option you are looking for, ask us.

$425.00

Options include:
Unassembled, subtract ($30.00)
Without carrier assy*, subtract ($72.00)
416 s/s barrel, add $20.00
24" barrel, add $20.00

See also our PCR-SM upper units here.

* Note: headspace must be checked and possibly adjusted if you do not have
us assemble the upper and/or include a bolt carrier assy.


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