Chris Costa Experimental 11.5" SR-15 Chopped Down FSGB | URX4

$6,500.00
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Chris Costa Experimental 11.5" SR-15 FSGB | URX4

Not much information on this upper receiver, but we know it came from Chris Costa, and he received it from KAC. in all my years i have never seen an upper configuration such as this come from KAC. you have an 11.5" barrel with a 10" KeyMod URX4 and inside a machined FSGB gas system.