LJ's Billet side charging upper receiver with nitride Bolt carrier group AR-15:
* AR15
* Made in house from T6 - 7056 billet- best billet upper receiver on the market
* Class 3 type 2 hardcoat anodized
* Side charging on the right hand side
Includes a nitride Bolt carrier group.
*gas key staked
* bolt is MPI tested
* 158C bolt
* M16 bolt carrier group
* works with the 5.56/.223/ 300 AAC