Smith & Wesson · Carbine
Smith & Wesson M&P15 AXE SBR
Gas-operated (direct impingement) · .300 AAC Blackout · introduced 2026
Also known as M&P15 AXE
About the Smith & Wesson M&P15 AXE SBR
The Smith & Wesson M&P15 AXE SBR is a suppressor-optimised short-barrelled rifle chambered in .300 AAC Blackout, announced in July 2026. Its 8-inch, 5R-rifled barrel with 1:7.5 twist and 5/8x24 threads is matched to a Gemtech GVAC upper that vents gas away from the shooter when suppressed. It weighs about 5.65 pounds with a Magpul CTR stock, Williams folding sights and an M-LOK handguard.
The .300 Blackout was designed from the start to run subsonic and suppressed from a short barrel - the AXE SBR is close to the configuration the cartridge was actually invented for.
Smith & Wesson M&P15 AXE SBR specifications
General
- Type
- Carbine
- Action
- Gas-operated (direct impingement)
- Firing mechanism
- Rotating bolt
- Trigger
- Single stage
- Calibres
- .300 AAC Blackout
- Magazine capacity
- 30 rounds
- Magazine
- Detachable box magazine
Dimensions
- Barrel length
- 203 mm (8.0 in)
- Weight (empty)
- 2.56 kg (5.65 lb)
Barrel
- Rifling twist
- 1:8 in (191 mm)
- Rifling
- Right hand
Materials
- Barrel
- Steel
- Receiver / frame
- Aluminum
- Stock
- Polymer
- Finish
- Armornite
Performance
- Muzzle velocity (typical)
- 570 m/s (1870 fps)
- Effective range
- 200 m
History
- Introduced
- 2026
- Production status
- In production
- Country of origin
- US
Features
- Suppressor optimized
- Gemtech gvac upper
- 5r rifling
- Magpul ctr stock
- Williams folding sights
- M lok handguard
- Threaded muzzle
Safety
- Safety selector
MSRP approximately $1,499. Released alongside a braced pistol version. The .300 BLK AXE joined a 5.56 NATO AXE line already offered in 11.5-inch and 14.5-inch SBR configurations.
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