Smith & Wesson M&P15 AXE SBR
- Category
- Carbine
- Barrel
- 203 mm
- Weight, empty
- 2.56 kg
- Introduced
- 2026
About
What it is, and why it matters
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.
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.
Specification
Everything measured
IdentityWhat it is, who built it and when.
- Manufacturer
- Smith & Wesson
- Category
- Carbine
- Country
- United States
- Status
- In production
- Produced
- 2026
DimensionsAs issued, without a magazine or an optic.
- Barrel
- 203 mm
- Weight, empty
- 2.56 kg
ActionHow it cycles, what trips it, and what feeds it.
- Action
- Gas operated direct impingement
- Firing mechanism
- Rotating bolt
- Trigger
- Single stage
- Capacity
- 30
- Magazine
- Detachable box
MaterialsEach swatch is the material itself, not a colour chosen to stand for it.
- Frame
- Aluminum
- Barrel
- Steel
- Stock
- Polymer
- Finish
- Armornite
BallisticsFrom the service cartridge, not a handload.
- Muzzle velocity
- 570 m/s
- Effective range
- 200 m
Trajectory
What the round does downrange
Solved from the muzzle figures and the bullet. The dashed rule is the effective range on the record, and the crosses are the steps the solver returned.
Features
What it has
What the record lists as fitted, drawn from the catalogue.
Suppressor optimized
Gemtech gvac upper
5r rifling
Magpul ctr stock
Williams folding sights
M lok handguard
Threaded muzzle
Standing
How it compares
Each figure against the firearms of the same type and cartridge that record it, or of the same type where that cartridge has too few. Positions are read to the nearest tenth.
| Measurement | This firearm | Median | Position |
|---|---|---|---|
| Empty weightAmong 409 carbines | 2.56 kg | 3.00 kg | Lighter than about 90% |
| Barrel lengthAmong 423 carbines | 203 mm | 406 mm | Shorter than about 90% |
| Magazine capacityAmong 423 carbines | 30 | 21 | Holds more rounds than about 80% |
Answers
Questions about the Smith & Wesson M&P15 AXE SBR
How much does the Smith & Wesson M&P15 AXE SBR weigh?
The Smith & Wesson M&P15 AXE SBR weighs 2.56 kg (5.65 lb) empty.
What caliber is the Smith & Wesson M&P15 AXE SBR?
The Smith & Wesson M&P15 AXE SBR is chambered in .300 AAC Blackout.
How many rounds does the Smith & Wesson M&P15 AXE SBR hold?
The Smith & Wesson M&P15 AXE SBR holds 30 rounds, fed from a detachable box magazine.
How long is the Smith & Wesson M&P15 AXE SBR?
The Smith & Wesson M&P15 AXE SBR has a 203 mm (7.99 in) barrel.
Who makes the Smith & Wesson M&P15 AXE SBR?
The Smith & Wesson M&P15 AXE SBR is made by Smith & Wesson (United States).
When was the Smith & Wesson M&P15 AXE SBR introduced?
The Smith & Wesson M&P15 AXE SBR was introduced in 2026.
How does the Smith & Wesson M&P15 AXE SBR operate?
The Smith & Wesson M&P15 AXE SBR uses a gas operated direct impingement action, and its firing mechanism is rotating bolt.
Compatibility
Which parts fit this firearm
Studio
Every part that mounts on this, resolved
Not a list the maker typed out: the answer comes from the mounts this firearm exposes and the interface each part needs, so it stays right when either one changes.
- Every part that mounts on any firearm in the catalogue
- Interface standards, platforms and fit overrides
- The same answers through the API and the MCP server
Requires a signed-in GunSpec account on the Studio plan. The answer is computed per part, so it is not part of the public record.
Provenance
What the record holds
Every figure above was taken from one of these pages. The confidence reflects how much of the record came from a page a claim can be checked against.
Provenance
Confidence in this record
78%
Stockists
Where to buy
Offers link straight to the shop. GunSpec never takes the order.
No shop has listed this firearm yet
Stock and prices come from the shops themselves. If you sell this firearm, you can list it and it appears here.
List a firearmMCP
Ask an assistant about it
The same record, reached the way a person asks for it rather than the way a program does.
Ask GunSpec
Works with
Point an MCP client at GunSpec and it answers from the catalogue rather than from memory. A free key covers the read tools.
API
The call that returns this record
The same fields, in the same units, from the same endpoint the page reads.
curl --request GET \ --url 'https://api.gunspec.io/v1/firearms/smith-wesson-mp15-axe-sbr' \ --header 'X-API-Key: your_key'{ "id": "smith-wesson-mp15-axe-sbr", "name": "Smith & Wesson M&P15 AXE SBR", "manufacturer": { "id": "smith-wesson", "name": "Smith & Wesson", "countryCode": "US", "foundedYear": 1852, "website": "https://www.smith-wesson.com", "logoUrl": null, "description": null, "status": null, "defunctYear": null, "stateOwned": null, "makesFirearms": null, "parentId": null, "predecessorId": null, "createdAt": "2026-02-11 23:44:40", "updatedAt": "2026-02-18 03:40:48", "version": "6e259a578cb1b21d72610d761d652c983ff25806b9e736e2db8d2938596e9202" }, "category": { "id": "carbine", "name": "Carbine", "description": "Shortened rifles for close-quarters use" }, "country_of_origin": "US", "year_introduced": 2026, "barrel_length_mm": 203, "weight_empty_g": 2563, "action_type": "gas_operated_direct_impingement"}