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SureFire
Overview
The Surefire Warden Blast Diffuser is designed to redirect muzzle blast away from the shooter and bystanders, enhancing shooting comfort without sacrificing performance. Specifically built for 5.56 NATO caliber firearms, this blast diverter features a 5/8x24 thread pitch, making it compatible with a wide range of AR-15 barrels. You'll typically find this device in carbine gas system builds, where managing blast and sound is crucial for an enjoyable shooting experience.
Surefire Warden Blast Diffuser, Black ranked #48 of the 143 muzzle devices builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #76 of the 413 muzzle devices builders have added. Builds with this muzzle device are nearly all chambered in 5.56 NATO, nearly all on carbine-length gas, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 5 of the 7 retailers we track have it in stock. Prices barely moved in August 2026, holding around $269, so there haven't been real sales lately. Buying today, the lowest price is $243.49 at Ammunition Depot, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
We ranked every muzzle device by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Muzzle Device Guide →Check it against the live catalog:
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Builds in the community that include the Surefire Warden Blast Diffuser, Black
| Build | Parts | Total |
|---|---|---|
 | 12 | $2114.50 |
 | 23 | $2159.27 |
 | 29 | $5396.86 |
 | 22 | $1414.51 |
 | 15 | $1382.94 |
 | 36 | $21843.42 |
1 global rating
Top reviews
Surefire Warden blast diffuser redirects gas forward away from the shooter and bystanders. Flash signature is reduced compared to a bare muzzle. Install was straightforward with a crush washer. Mounts to any 1/2x28 thread.
