Firearms Sold AR Upper Proof Research 18” Updated

[nrar15]

18” Proof Research carbon fiber 1-8 twist 223 barrel with 250 rounds of IMI 77 grain Razor Core through it is on a Midwest Industries upper, Midwest ultralight hand guard , Bushmaster bcg, Surefire flash hider, AB arms stock set with complete buffer tube assembly. $800.00 OBO Sold
Extra barrel is SOLD

 

[Flyperk]

Caliber?

 

[nrar15]

Caliber?

Sorry edited 223

 

[nrar15]

18” Proof Research carbon fiber 1-8 twist 223 barrel with 250 rounds of IMI 77 grain Razor Core through it is on a Midwest Industries upper, Midwest ultralight hand guard , Bushmaster bcg, Surefire flash hider, AB arms stock set with complete buffer tube assembly. $800.00 OBO
Extra barrel is SOLD

updated