Click to see full view
SilencerCo
Overview
The SilencerCo 30 Cal Muzzle Brake is designed specifically for 5.56 NATO caliber rifles, offering effective recoil reduction and enhanced accuracy during rapid fire. With a 5/8x24 thread pitch, this steel muzzle device easily attaches to compatible barrels, ensuring a secure fit and reliable performance. Builders often incorporate this muzzle brake in carbine gas system builds chambered in .308 Win, making it a practical choice for those looking to improve their shooting experience.
Specifications
Available Merchants(8)
Prices checked
Price Alert
October 2026 so far on GunPartPicker
SilencerCo 30 Cal Muzzle Brake - AC591 is the third most added muzzle device on GunPartPicker so far in October 2026, behind the Huxwrx 556 QD Flash Hider - 1/2x28, with about 6% of all muzzle devices added to builds. Up from #5 in September. Builds with this muzzle device are mostly chambered in 5.56 NATO (63%, then .223 Wylde 18%), split between carbine-length (39%) and mid-length (38%) gas systems, and mostly AR-15 (94%).
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 6 of the 8 retailers we track have it in stock. The best price drifted down from $79.90 to $64.99 over September 2026 without a real sale. Buying today, the lowest price is $79.90 at Optics Planet, above September's low of $64.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
Not sure which muzzle device to pick?
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:
Frequently Built With
The part most often added in each category by the builds that include this one
Bravo Company M16 Bolt Carrier Group Black
Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging Handle Black
Bravo Company Mfg Upper Receiver Assembly w/ Laser T-Markings, Hard Coated Anodized - 4-UR-M4
FAXON Firearms 16" 223 Wylde Match Barrel Stainless Steel Black
Wilson Combat AR-15 Lower Receiver Forged
Wilson Combat AR-15 Lo-Profile Gas Block .750" Black
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 30 Cal Muzzle Brake - AC591
| Build | Parts | Total |
|---|---|---|
| meta? | 24 | $2347.18 |
No reviews yet. Be the first to review this product!