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Yankee Hill Machine
Overview
The Yankee Hill Machine sRx Short Muzzle Brake is a steel muzzle device designed to enhance the performance of your AR-15 by reducing recoil and muzzle rise, allowing for quicker follow-up shots. With a thread pitch of 5/8x24, it easily attaches to barrels with compatible threading, making it a practical choice for builders looking to maintain accuracy during rapid fire. This muzzle brake is commonly found on builds utilizing a carbine gas system chambered in 5.56 NATO, providing the necessary stability and control for those setups.
Yankee Hill Machine SRX Short Muzzle Brake - 11/16"-24 tpi, Black Power - YHM-4445-MB-24B
Yankee Hill Machine SRX Short Muzzle Brake - 11/16"-24 tpi, Black Power - YHM-4445-MB-24B ranked #16 of the 143 muzzle devices builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since March 2026. All time, it ranks #19 of the 392 muzzle devices builders have added. Builds with this muzzle device are mostly chambered in 5.56 NATO (75%, then 300 Blackout 17%), split between carbine-length (50%) and mid-length (33%) gas systems, and mostly AR-15 (91%, then AR-9 9%).
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today all 3 retailers we track have it in stock. The best price crept up from $80.99 to $84.75 over August 2026. Buying today, the lowest price is $84.75 at Optics Planet.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 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 Yankee Hill Machine sRx Short Muzzle Brake - 11/16"-24 tpi, Black Power - YHM-4445-MB-24B
| Build | Parts | Total |
|---|---|---|
 | 12 | $1531.34 |
 | 25 | $1874.60 |
 | 11 | $1476.53 |
 | 16 | $2841.68 |
 | 33 | $6482.44 |
 | 23 | $3799.43 |
 | 18 | $1060.66 |
 | 14 | $599.10 |
1 global rating
Top reviews
YHM sRx Short brake in 11/16-24 thread pitch is for larger calibers like .308. Effective at reducing muzzle climb. Side ports vent away from shooter. Steel construction holds up to high pressure loads.
