Barrel assembly is new (installed under warranty by CMMG due to barrel defect). Upper receiver & bolt carrier group have approx. 1000 rds through them. Specs:
Mil-spec certified 4140 chrome-moly vanadium steel barrel
5.56x45 NATO chamber
1:9 twist
11 degree recessed target crown
WASP treated barrel, including The chamber, bore and under the front sight base
A2 Flash hider installed with crush washer
M4 Single heat shield Handguard
Forged M4 upper receiver is T marked and has M4 feed ramp cuts
Semi Auto bolt carrier
Mil-spec .250 diameter take-down pins
$375 Firm
Mil-spec certified 4140 chrome-moly vanadium steel barrel
5.56x45 NATO chamber
1:9 twist
11 degree recessed target crown
WASP treated barrel, including The chamber, bore and under the front sight base
A2 Flash hider installed with crush washer
M4 Single heat shield Handguard
Forged M4 upper receiver is T marked and has M4 feed ramp cuts
Semi Auto bolt carrier
Mil-spec .250 diameter take-down pins
$375 Firm