Stag 15L B556 M-TAC

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The Stag 15L B556 M-TAC Left-Handed Rifle features our new slimline 15" M-LOK Handguard and furniture from B5 Systems. Built around a 16” 1/7 twist Chrome lined barrel, 7075 T6 Aluminum receiver set and a carbine-length gas system attached to a low profile gas block.

The free-floating 15" M-LOK Handguard features a slimline, lightweight profile that offers increased ergonomics, maximum airflow, and modularity while continuing to provide the utmost strength and durability. The handguard provides QD mounts and a picatinny rail at each end, which allows for room for sights, optics and accessories the shooter may require. The rifle is completed with a B5 Bravo Stock, B5 Type 23 P-Grip, B5 Aluminum Trigger Guard and Manganese Phosphate coated, Chrome lined M16 Bolt Carrier Group.

Every complete AR15 rifle from Stag Arms comes with a Transferable Lifetime Warranty, an Infinite Shot Barrel Guarantee and a magazine.

Federal law requires this product to be transferred through a licensed FFL dealer. Stag Arms requires a copy of the dealer's FFL for verification. It's the customer's responsibility to notify the dealer of the order.


Weight: 6.37 lbs

Length: 33.25" collapsed, 36.5" extended

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 Handguard

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

Bolt Carrier: Mil-Spec Manganese Phosphate coated M16 BCG

Gas System: Carbine Length with Low Profile Gas Block

Charging Handle: Standard Mil-Spec

Buttstock: B5 Bravo Stock

Buffer: H Buffer and Spring with B5 QD End Plate

Trigger: Mil-Spec Single Stage Trigger with B5 Aluminum Trigger Guard

Grip: B5 Type 23 P-Grip

Magazine: 30rd PMAG

Safety Selector: Left Hand

SKU: STAG580072L

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


Q: What is the warranty coverage for this rifle?

A: All of our rifles have a lifetime transferable warranty.


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