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Stag Arms
Overview
The Stag Arms Stag 15L Left Hand .300 Blackout Upper is a complete upper receiver designed for the AR-15 platform, featuring a 16-inch medium contour barrel with a 1:7 twist rate, optimized for stabilizing a variety of bullet weights in .300 Blackout. This configuration allows for effective performance whether you are using supersonic or subsonic ammunition, making it versatile for both hunting and tactical applications. You will often find this upper in builds specifically chambered for .300 Blackout, catering to those looking for a reliable option for short-range engagements or suppressor use.
Specifications
Stag Arms Stag 15L Left Hand .300 Blackout 16 in Upper
Available Merchants(1)
Prices checked
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Build history on GunPartPicker
Builders have added the Stag Arms Stag 15L Left Hand .300 Blackout 16 in Upper to their builds on GunPartPicker since June 2026. Since April 2026, it ranks #552 of the 2,069 upper receivers builders have added.
Today the one retailer we track is out of stock. Listed prices start at $599.99 at Brownells for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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