AR57 Generation 2 Upper Assembly AR-15 5.7x28mm FN 1 in 8 1/2" Twist 16" Fluted Barrel Chrome Moly with Free Float Quad Rail Handguard, Flash Hider,
- FNH Magazine FN P90, PS90 5.7x28mm FN 50-Round Polymer... $25.00 Available
- Aggressive Engineering M1 Garand Clip 5-Round Steel Parkerized... $6.99 Available
- Magpul PMAG M2 MOE Magazine AR-15 223 Remington 30-Round... $12.30 - $13.25 Select Options
- ERGO AR-15 Lower Receiver 9-Piece Spring Replacement Kit... $5.04 Available
- DPMS Buffer Retainer AR-15, LR-308... $2.49 Available
- Lee Case Length Gage and Shellholder 357 Magnum... $5.19 Available
- Lee Case Length Gage and Shellholder 357 Sig... $5.19 Available
- RCBS Model 1010 Magnetic Powder Scale 1010 Grain Capacity... $159.99 Available
- Lee Case Length Gage and Shellholder 9mm Luger... $5.19 Available
- Lee Case Length Gage and Shellholder 44 Special... $5.19 Available
- Lyman 3-Die Set 5.7x28mm FN... $39.49 Available
- Lee Case Length Gage and Shellholder 45 Colt (Long Colt)... $5.19 Available
- Upper Receiver: A3 Flat-Top
- Barrel Length: 16"
- Barrel Contour: Fluted, heavy
- Barrel Material: 4140 Chrome Moly Steel
- Muzzle Thread Pattern: 1/2"-28
- Chrome Lined: No
- Barrel Finish: Parkerized
- Twist Rate: 1 in 8.5"
- Chamber: 5.7 x 28mm
- Bolt Carrier: Commercial
- M4 Feed Ramps: N/A
- Muzzle Device: A2 Flash Hider
- Gas System Length: Carbine
- Gas Block Diameter: 0.750"
- Handguard: Free-Float Quad Rail
- Sights: None
- Extras: Single Rail Gas Block
Please Note: Installation of AR-15 upper assemblies with certain features including, but not limited to: flash hiders, bayonet lugs, and threaded muzzles may violate state and/or local laws.