

Anderson A4 Rifle kit minus lower receiver
$399.99
Anderson Manufacturing A4 rifle kit — forged 7075-T6 flat-top upper, 16″ 4150 CMV nitride barrel, 1:8 twist, bolt carrier group and charging handle included. Compatible with standard mil-spec multi-caliber lowers. Lower receiver not included.
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Anderson A4 Rifle Kit — 16″ 5.56, Minus Lower Receiver
This Anderson Manufacturing A4 kit pairs a forged 7075-T6 flat-top upper, Type III hard anodized black, with a 16″ 4150 chrome moly vanadium barrel in a nitride finish and 1:8 twist. The upper ships assembled with bolt carrier group, charging handle, and A2 flash hider installed, and is compatible with standard mil-spec multi-caliber lower receivers.
Specifications
- Brand: Anderson Manufacturing
- Upper Receiver: Forged 7075-T6 Aluminum, Type III Hard Anodized Black
- Barrel: 16″, 4150 Chrome Moly Vanadium, Nitride Finish, M4 Contour
- Barrel Twist: 1:8
- Barrel Thread: 1/2″-28
- Gas System: Carbine-length
- Muzzle Device: A2 Flash Hider
- Bolt Carrier Group: Included
- Charging Handle: Included
- Weight: 3.75 lbs
- Lower Compatibility: Standard mil-spec multi-caliber lower receivers
- Lower Receiver: Not Included
- Made in the USA
This kit is part of our AR-15 .223/5.56 rifle build kit lineup. Since the lower isn’t included, pair it with one of our 80% lower receivers to complete the build.
| Weight | 8 lbs |
|---|---|
| Brand |
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What’s included with this kit?
A forged 7075-T6 flat-top upper receiver assembly with the 16″ 4150 CMV nitride barrel, bolt carrier group, charging handle, and A2 flash hider installed.
Does this kit include a lower receiver?
No. This is the upper assembly only — pair it with the mil-spec multi-caliber lower receiver of your choice.
Is this compatible with any AR-15 lower?
Yes. It is built to standard mil-spec multi-caliber lower receiver specs, so it works with the vast majority of AR-15 lowers on the market.
What’s the barrel twist rate?
1:8, a versatile twist rate that stabilizes a broad range of .223/5.56 bullet weights.
How is this different from a Daytona Tactical house-brand kit?
This upper is manufactured by Anderson Manufacturing rather than Daytona Tactical’s in-house line, with its own distinct spec sheet (M4 contour, 1:8 twist).




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