The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. Specifications for Aero Precision M5 20in .308 Winchester RM15 Complete Upper Receiver: Manufacturer: Aero Precision Cartridge: .308 Winchester Barrel Length: 20 in Gas System Length: Rifle Length Barrel Twist Rate: 1-10 Threads per Inch: 5/8×24 Muzzle Device: A2 Flash Hider Gun Model: M5 Condition: New Gas Block Journal Size-Diameter: .750 in Handguard Length: 15 in Gun Rail: Picatinny Magazine Included: No Features of Aero Precision M5 20in .308 Winchester RM15 Complete Upper Receiver Full top picatinny rail for optional attachments Quick disconnect sling socket at the 3, 6 and 9 o’clock positions Compatible with low profile gas blocks Compatible with AR-308 Upper Recievers with a thread pitch of 1-7/16 x 16 along with a DPMS High Profile (.210) Tang Rail Package Contents: Aero Precision M5 20in .308 Winchester RM15 Complete Upper Receiver M5 Assembled Upper Receiver ATLAS R-ONE Handguard of choice 16in .308 CMV Barrel Mid-Length Low Profile Gas Block Mid-Length Gas Tube
6 reviews for Aero Precision M5 20in .308 Winchester RM15 Complete Upper Receiver
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Dan –
amazin product for an amazing price is what you get with this. Perfect AR10 is what has been built with this. love aero precision and love optics planet. the price was less than what aero had on their website. siighted in at 100 yds and punching steel with no issues.
Ian –
The product is what you expect from Aero. It is quality and affordable. My only complaint is the upper appeared to be in stock when I ordered it. However, after I completed the purchase I was notified it was out of stock. The buyer should be aware of this prior to completing the checkout process.
Frank –
The only issue I have with this product is I can’t find any ammo caliber information marked on this complete upper. Isn’t that a big safety concern? Every gun I have from $100 to $2000 has that info marked somewhere.
Brian Mayo –
The product was exactly as advertised online. The condition was flawless. Shipping was very fast. In fact it arrived in only a few days. Couldn’t be happier with the product and the service of Optics Planet.
NorthThree6 –
Product shipped fast and was in perfect condition. Quality product.
WEEBO –
My only gripe is that it's become clear to me that optics planet gets aeros blems. Literally all aero products I buy off here have blemishes. When I buy directly from the website they are pristine. Now because of how I use my guns it's not that big of a deal because they get more wear then the blemishes the come with with. But a new product should look new.