- 16” chrome lined barrel
- Chambered in 5.56 with 1:7 twist
- Carbine length gas system
- Monolithic free float handguard
- Quick change barrel system
- M-LOK and QD sling attachment slots
- BCG and charging handle installed
The Lewis Machine and Tool MLC Complete AR-15 Upper Receiver features a fully monolithic handguard and receiver design that free floats the barrel. The monolithic handguard also features M-LOK attachment slots and attaches with two Torx screws that hold the barrel in and allows for quick removal to change out the caliber. This model comes with a 16” barrel chambered in 5.56 with a 1:7 twist rate and a chrome lined bore for long term wear resistance. The carbine length gas system and port are tuned for reliability in adverse conditions. This Lewis Machine & Tool AR-15 Complete Upper Receiver comes with bolt carrier group and charging handle installed.
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