New Rock River Arms LAR-15 Lower Receiver 223 Rem or 5.56
Rock River Arms Lower Parts Kit
Previously owned Bushmaster M4 Upper Receiver Flat Top with M4 feedramps
Magpul MBUS Rear Sight
Magpul Moe stock
Magpul Aluminum Trigger Guard
Magpul Ambidextrous Sling Attachment Point
4lb Trigger Pull
Standard Carbine Buffer and Spring
New Brownells Bolt Carrier machined from Carpenter 158 Steel
Properly Staked and Torqued Chrome Lined Gas Key
Bolt is heat treated and shot permed
Installed extractor includes Black Rubber Insert with O Ring and Spring
Interior of Bolt Carrier is chrome lined
M16 Bolt Carrier will function in semi auto or full auto
New Bushmaster Chrome lined 16 inch M4 style Barrel
A2 Flash Hider
F marked Front sight Base
1 in 9 twist
M4 Feedramps
1/2-28 Muzzle Threads
5.56/223 Rem chamber
Carbine Length Gas System
Bayonet Lug
Sling Swivel
Bushmaster Slim Handguards
1# 20 round Mag
1# 30 round mag
Carbine was built by an expirienced builder who has built over 50 various AR15's to his credit Everytimg is new never fired except the upper receiver
