Sons of Liberty Gun Works M4-76 5.56 Barreled AR-15 Upper Receiver - 10.5" - $529.99

Description

The National Firearms Act regulates the configurations of some firearms assembled with barrels under 16” long. Know the NFA laws in your state before purchasing this item.

The SOLGW M4-76 is a great entry level AR-15 barreled upper receiver package that comes with all the features you want for a reliable, do-it-all carbine built for duty. This model features a 10.5” barrel machined from 4150 chrome moly vanadium steel and QPQ Nitride finished inside and out. The six groove 1/7 twist rate is optimal for heavy 62 grain 5.56 NATO surplus ammunition. The carbine length gas system and appropriate gas port size ensures reliable function under any conditions and minimal recoil. The government profile barrel and gas system are protected by the M76 free float handguard with M-LOK slots for full customization potential. Build your duty rifle today with Sons of Liberty Gun Works.

Features:
- 10.5” 5.56 NATO barrel
- 4150 chrome moly vanadium steel
- HPT and MPI
- QPQ Nitride finish
- 1/7 twist rate
- Carbine gas system
- 4140 steel .750” gas block
- M76 M-LOK free float handguard
- 1/2x28 with A2 flash hider
- 7075-T6 aluminum Cerra forged receiver
- Type III Class 2 hardcoat anodized black
- T-Marked upper
- Dry film lube bolt carrier channel

The M76 handguard features the wedgelock barrel nut attachment system which is one of the most durable on the market. It also features 45° M-LOK slots at the front for more light and accessory mounting options. The upper receiver is made from 7075-T6 aluminum Cerra forgings and type III class 2 hardcoat anodized black. The upper receiver comes with the forward assist and dust cover assembled but does not come with a BCG or charging handle. The inside of the receiver has a dry film lube applied to decrease friction with the bolt carrier for smooth function.

Sons of Liberty Gun Works is a custom rifle manufacturer in the United States that specializes on the AR-15 platform. They began producing purpose-built weapons for law enforcement and civilians alike and are given a lot of praise for focusing on the details that make an AR reliable. Function over form is what their rifles are known for and they are guaranteed to get the job done. From full rifles to individual parts, you can’t go wrong with SOLGW.

Specifications
Assembly: Barreled Assemblies
Barrel Coating: Salt Bath Nitride
Barrel Contour: Government
Barrel Length: 10.5
Barrel Lining: Salt Bath Nitride
Barrel Material: 41V50 Chrome Moly Vanadium Steel
Brand: Sons of Liberty Gun Works
Caliber Gauge: 5.56 NATO
Gas System Length: Carbine
Gas System Type: Direct Impingement
Handguard: 9.5 in SOLGW M76 M-LOK
Muzzle Device: A2 Flash Hider
Thread Pattern: 1/2 X 28
Twist Rate: 1:7
MPN#: M476UPPER-10.5