Stag 15 M-LOK 15" Free Float Upper

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Stag 15 M-LOK Free Float Uppers feature Stag's high quality and long-lasting durability standards, outfitted with a limited edition lightweight, free float 15" M-LOK handguard.

This upper half does not include a BCG or Charging Handle.


Action: Semi-Auto Direct Impingement

Caliber: 5.56 NATO | .223

Twist Rate: 1/7 Button Rifled

Muzzle Device: A2 Flash Hider

Barrel: 16", 4150 Steel, Chrome Lined, Government Profile, Manganese Phosphate Coated

Handguard: 15" M-LOK Free Float Handguard

Receiver Material: Forged and Mil-Spec 7075 T6 Aluminum with Type 3 Hard Coat Anodizing

Bolt Carrier: None

Gas System: Carbine Length with Low Profile Gas Block

Charging Handle: None

SKU: STAG570004N

This upper half does not include a BCG or Charging Handle.

*Product images are for illustrative purposes only and may differ from the actual product.


Q: What is the warranty coverage for this upper?

A: This upper has a one year warranty.

Q: Is this upper compatible with other manufacturer's lower receivers?

A: As long as the lower accepts a mil-spec upper, all of our uppers will function properly.


Reviews (3)

Nemo 26th Mar 2018

Very happy with upper assembly.

Right out of the box this upper assembly looked great. It mounted up to a lower perfectly and is fairly light overall. After a quick run to the gun range, I found that this upper shoots great. From lightweight 45 grain to 62 grain green tip, I got tiny groups at 50 yards with iron sights. All shells ejected right where they should.

Topgun01 5th Dec 2017


Great fit and finish. This upper is a work of art. In Stag I Trust