This 80% AR-308 kit contains all of the necessary high-quality parts to build your AR-308 rifle at home! We removed all the guesswork and packaged the necessary parts to build your AR-308 Pistol in one, easy to purchase, complete AR-10 build kit. Buying an AR-308 complete build kit saves money and guarantees part compatibility. Many .308 components are not standardized across the industry, leaving much of the trial and error up to the end user. With our AR-308 complete build kit, all of the parts are guaranteed to match in both fit and function.
Our Complete 308 80% Build Kit Features:
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Upper Receiver: Aero Precision M5E1 Complete Upper, 18" .308 Rifle Barrel, 16.6" Enhanced Handguard - Anodized Black
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Bolt Carrier Group: Aero Precision Black Nitride .308/7.62 x 51mm NATO Bolt Carrier Group
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Charging Handle: Aero Precision .308 Charging Handle
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Buffer Tube Kit: Smith Defense .308 Six-Position Buffer Tube Kit
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80% Lower: 80 Percent Arms Billet 6061-T6 AR-308 80% Lower Receiver, FIRE/SAFE Engraved
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Lower Parts Kit: Smith Defense AR-308 Lower Parts Kit
- Stock: Magpul STR stock Black
About the kit:
Barrel
18" .308 CMV BARREL FEATURES:
- Twist: 1 in 10
- Threading: 5/8 x 24
- Material: 4150 Chrome Moly Vanadium Steel
- Finish: QPQ corrosion resistant finish both inside and out
- Gas Block Journal: .750
- Gast Port: .089
- Gas System Length: Rifle
- Weight: 56.64oz
- DPMS Barrel Extension
- HP and MPI Tested
M5E1 UPPER FEATURES:
- Forged from 7075 T6 aluminum
- Precision machined to our specs
- M4 feedramps
- Laser engraved T-marks (Anodized only)
- .2795” takedown pin holes
- Accepts standard AR .308 components
- Comes with forward assist and port door installed
- Handguard mounting platform is forged into the receiver
GEN 2 ENHANCED HANDGUARD FEATURES:
- 1pc free float design
- Built in anti-rotation tabs
- Scalloped rails
- Continuous top rail
- 1.78" inside diameter fits most muzzle devices and 1.5" suppressors
- Compatible with low profile gas blocks
- Gen 2 Feature - Quick disconnect sling socket at the 3, 6 and 9 o'clock positions
- Gen 2 Feature - Additional milling along flats to aid with gripping and add visual appeal
- Gen 2 Feature - New profile for the continuous picatinny top rail