Radical Firearms 16" 5.56 NATO Complete Assembled AR-15 Upper Receiver with M-LOK Handguard
or 4 interest-free payments of $81.60 with 
6 Magazines Per Order: Due to extreme volume, we are limiting sales of magazines to 6 per customer order. This applies to individual and bundled magazines. AT3 reserves the right to cancel any order over the 6 magazine limit.
- Free standard shipping on orders $139+ details
- 90-day no-hassle returns policy
- Backed by the Radical Firearms Warranty! what it covers
Product description
Complete Budget-Friendly Upper Receiver for 5.56 NATO AR Builds
The Radical Firearms 16″ 5.56 NATO Complete Upper Receiver is a great way to start your .223/5.56 NATO AR build. It is an outstanding choice for any budget builds ready to be mounted to any Mil-Spec AR-15 lower receiver. The upper comes complete and assembled with an A2 Flash Hider, Charging Handle, Nitride Bolt Carrier Group, and a Radical Firearms 12″ RPR M-LOK Free Float handguard.
It is the perfect choice for the novice or advanced shooter wanting to finish out that build and hit the range.
Forged From 7075 T6 Aerospace-Grade Aluminum
The upper receiver is forged from 7075 T6 aerospace-grade aluminum, and features a hardened Type III Anodized finish for dependable, quality shooting. It features a SOCOM Profile 5.56 barrel made for prolonged periods of fire and machined from 4140 Chrome Moly Steel.
The low profile medium length gas system is fine-tuned for proper cycling and the free float rail system will keep your hands cool while increasing accuracy.
Radical Firearms offers a Lifetime Warranty on all their products for as long as you own the product.
Specifications:
- Barrel Length: 16″
- Gas System: Medium Length
- Barrel Profile: SOCOM Profile
- Barrel Material: 4140 Chrome Moly Vanadium
- Barrel Finish: Melonite
- Muzzle Thread: 1/2×28
- Chamber: 5.56mm
- Twist Rate: 1:7
- Barrel Extension: M4 Feed Ramp
- Gas Block Type: .750 Low-profile Gas Block
- Muzzle Device: A2 Flash Hider
- Upper Receiver Material: Forged 7075 T6
- Upper Receiver Style: M4 MIL-STD
- Upper Receiver Finish: Type III Anodizing
- Forward Assist: Yes
- Dust Cover: Yes
- Handguard Type: Free Float
- Handguard Style: M-Lok Thin Rail
- Handguard Length: 12″
- Charging Handle: MIL-STD
- Bolt Carrier Group Included: Yes
- BCG Finish: Nitride
Customer reviews 1
Verified buyerAT3 Tactical · Thanks for sharing your feedback! We're glad you're satisfied with your purchase.
Questions & Answers
No questions yet. Ask about fit, install or compatibility and our team answers within a business day.
Warranty & returns
Backed by the Radical Firearms Warranty!
Radical Firearms Warranty
How do I return an item?
With the exception of the following listed items, all purchases made from Radical Firearms carry a five (5) calendar day return period that starts the day of receipt of the order as reported by the delivery service. Within that time, a customer may return items ordered for a full refund (less shipping costs if the entire order is returned) as long as they are unopened and unused. If the packaging has been opened, the items may still be returned however will be subject to a 20% re-stocking fee.
Order(s) cancellations for all items prior to shipment will be assessed a 10% cancellation/restocking fee.
The following items may not be returned and all sales are considered final.
- Firearms (which include lower receivers)
- Upper Receivers
- Special Orders
Prior to returning an item, please send an email to info@radicalfirearms.com referencing the order number and item(s) being returned. Any shipment that arrives without prior notification will be marked “Return to Sender” and returned at the sender’s expense.
The customer is responsible for arranging shipping of any returned items. Radical Firearms highly recommends the use of an insured, trackable method of returning products such as UPS or FedEx. Responsibility for products damaged in transit while returning items is the responsibility of the customer, not Radical Firearms . Once the returned item is received, the customer will be notified of the progress of the return.
Returned orders that qualified for free shipping will have the actual cost of shipping deducted from the returned amount.
Contact Details:
- Email: info@radicalfirearms.com
Disclaimer: Manufacturer’s warranty is subject to change without prior notice.
90-day no-hassle returns
The AT3 Tactical store has a 90 day no-hassle return policy for products in good condition. You can view the full details of our return policy here.
If you encounter an issue or defect with a product after 90 days of your purchase, you can refer to the manufacturer for a warranty claim. Their policies are below.
