Model 4 Rifle Kit
This kit has everything you need to complete your A2 style rifle build minus a stripped lower receiver. All parts are high quality, durable and mil-spec.
Each rifle kit includes a Rifle Case, Magazine and Infinite Shot Barrel Guarantee.
Action: Semi-Auto Direct Impingement
Caliber: 5.56 NATO | .223
Twist Rate: 1/9 Button Rifled
Muzzle Device: A2 Flash Hider (Stag Arms Compensator on post ban models)
Barrel: 20", 4140 Steel, Chrome-Moly, Heavy Profile, Manganese Phosphate coated
Handguard: Thermoplastic with Double Heat Shields
Upper Receiver: Forged and mil-spec 7075 T6 Aluminum with type 3 hard coat anodizing
Bolt Carrier: Mil-Spec Manganese Phosphate coated M16 BCG
Gas System: Rifle Length with A2 Front Sight
Charging Handle: Standard mil-spec
Front Sight: F-marked A2 Front Sight, Side Sling Swivel, and Bayonet Lug (No bayonet lug on post ban models)
Rear Sight: Removable A3 Carry Handle with Integrated Sight
Hammer/Trigger pin size: Mil-spec small pin .154"
Pivot/Takedown Pin Size: Mil-spec small pin - .250"
Buttstock: A2 buttstock with trap door for storage
Buffer: A2 buffer with A2 action spring
Trigger: Mil-spec single stage trigger with a non-adjustable 5-8 pound trigger pull
Grip: A2 style plastic grip
Magazine: 20rd (Post-ban versions will have a 10rd magazine)
Safety Selector: Right Hand
Q: What is the warranty coverage?
A: This rifle kit has a one year warranty. The barrel has our Infinite Shot Barrel Guarantee.
Q: Is this compatible with other manufacturer's lower receivers?
A: As long as the lower accepts a mil-spec upper, all of our kits will function properly.
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- 5.56 NATO
- Barrel Length:
- Gas System: