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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.
Prices checked
Surefire Warden Blast Diffuser, Black ranked #50 of the 194 muzzle devices builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #47 of the 564 muzzle devices builders have added. Builds with this muzzle device are mostly chambered in 5.56 NATO (85%, then .223 Wylde 15%), split between mid-length (50%) and carbine-length (40%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 5 of the 7 retailers we track have it in stock. Prices barely moved in October 2026, holding around $269, with no real sale all month. Buying today, the lowest price is $243.49 at Ammunition Depot, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 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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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Surefire Warden Blast Diffuser, Black
| Build | Parts | Total |
|---|---|---|
 | 12 | $2052.56 |
 | 23 | $2155.50 |
 | 29 | $4867.87 |
 | 22 | $1407.41 |
 | 15 | $1381.36 |
 | 36 | $18589.86 |
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.
