https://midstatefirearms.com/product/msf-20-rifle-length-5-56-nato-upper-receiver-group/

shipping available

Build a super accurate Ar-15 with this premium 20″ 416r Stainless Fluted upper. Features:

• 20″ 416r Stainless Fluted Barrel
• 223 Wylde chamber (shoots 556 / 223), Wylde for improved accuracy
• Other fluting options available in menu
• Rifle length gas system
• 1/2-28 threads
• 7075-t6 Mil Spec Aluminum upper, anodized black,
• m4 feed ramps
• Dust cover, forward assist
• Free Float MLOK handguard
• Select other options such as BCG, charging handle, optics, available in menu.

Assembled, Test-Fired, and QC’d In-House

We assemble everything in-house, completely customized to your order. Our engineers have many years of experience in the industry, making sure that everything that goes out the door is built to the highest standard possible.

Prior to shipping, we test fire and follow a strict quality control protocol, paying extra attention to the gas system and headspace, ensuring that your AR-15 will function properly and will reliably fire in all cases. 

High-Quality Components

Over the past 10 years, we have carefully refined the parts we use for our AR-15 uppers. We only use high-quality components in our builds that have been sourced from proven manufacturers and OEMs.

We have built tens of thousands of AR-15s and ensure reliability, durability, and accuracy in all of our products.

Limited Lifetime Warranty

We stand behind our products and have a limited lifetime warranty on the uppers that we sell.  Our warranty protects against defects in product, material, or workmanship.

If there is an issue, simply contact us, and we will handle it. We will repair/replace items if necessary.