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SilencerCo
Overview
The SilencerCo 1/2-28 3-Port ARS Muzzle Brake is designed specifically for 5.56 NATO caliber rifles and features a 1/2x28 thread pitch, making it compatible with a wide range of AR-15 barrels. This muzzle brake effectively reduces recoil and muzzle rise, allowing for quicker follow-up shots and improved accuracy during rapid fire. It is commonly found in carbine gas system builds chambered in 5.56 NATO, enhancing overall shooting performance.
Specifications
Silencerco 1/2-28 3-Port ARS Muzzle Brake, Black - AC142
Available Merchants(7)
Prices checked
Price Alert
November 2026 so far on GunPartPicker
Silencerco 1/2-28 3-Port ARS Muzzle Brake, Black - AC142 is the sixth most added muzzle device on GunPartPicker so far in November 2026, behind the Zev Technologies 5.56 Muzzle Device - 1/2x28, with about 3% of all muzzle devices added to builds. That's its 2nd straight month at #6. Builds with this muzzle device are mostly chambered in 5.56 NATO (75%, then .223 Wylde 20%), split between mid-length (52%) and carbine-length (32%) gas systems, and mostly AR-15 (94%).
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 6 of the 7 retailers we track have it in stock. Prices barely moved in October 2026, holding around $79.90, with no real sale all month. Buying today, the lowest price is $79.90 at Brownells, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
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Wilson Combat AR-15 Lo-Profile Gas Block .750" Black
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Ballistic Advantage Performance Series 5.56 Hanson Mid-Length 3 Gun AR-15 Barrel With Pinned Gas Block - 17.7"
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Silencerco 1/2-28 3-Port ARS Muzzle Brake, Black - AC142
| Build | Parts | Total |
|---|---|---|
 | 24 | $3791.02 |
 | 18 | $1253.40 |
 | 20 | $3669.98 |
 | 9 | $2359.13 |
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