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Up for sale today is my lightly used 300 blackout upper . This upper has seen 300 to 400 rounds and has cycled both subsonic and supersonic ammo flawlessly.i had this upper built at a local shop.
Details;
Surplus arms and ammo upper receiver ( m4 feed ramp) and bcg
300 blackout 16 inch green mountain 1:8 twist pistol gas system barrel( it is a blem barrel, it has some discoloration near the flash hider, cosmetic only)
Birdcage flash hider
Unknown 12 inch free float quad rail with magpul avg 2
Lower receiver and scope is not for sale
Asking 400 obo
Details;
Surplus arms and ammo upper receiver ( m4 feed ramp) and bcg
300 blackout 16 inch green mountain 1:8 twist pistol gas system barrel( it is a blem barrel, it has some discoloration near the flash hider, cosmetic only)
Birdcage flash hider
Unknown 12 inch free float quad rail with magpul avg 2
Lower receiver and scope is not for sale
Asking 400 obo
