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Precision Armament
Overview
The Precision Armament Efab Hybrid 5.56 Muzzle Brake is designed to effectively reduce recoil and muzzle rise for 5.56 NATO caliber rifles, enhancing your shooting stability during rapid fire. Constructed from stainless steel and finished in black, this durable muzzle brake features a 1/2x28 thread pitch, making it compatible with a wide range of AR-15 barrels. This muzzle brake is commonly found in builds focused on precision shooting and competitive applications, where control and accuracy are paramount.
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Based on build data

Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
Gas Block
Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length
Gas Tube
Spikes Tactical Made in USA Ejection Port Door for AR-15 Style Rifle - SED7002
Dust Cover
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging Handle
Radian Forward Assist - 7075 Aluminum - Black
Forward Assist
Magpul AFG-2 Angled Fore Grip - Black
ForegripAggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black | Gas Block | 114 |
| Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length | Gas Tube | 101 |
| Spikes Tactical Made in USA Ejection Port Door for AR-15 Style Rifle - SED7002 | Dust Cover | 83 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 80 |
| Radian Forward Assist - 7075 Aluminum - Black | Forward Assist | 79 |
| Magpul AFG-2 Angled Fore Grip - Black | Foregrip | 73 |
| Platform | Percentage |
|---|---|
| AR-15 | 87.4% |
| AR-10 | 10.2% |
| AR-9 | 2.4% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 66.7% |
| .223 Wylde | 15.4% |
| 300 Blackout | 5.2% |
| .308 Win | 4.1% |
| 9mm | 1.5% |
| 6mm ARC | 1.5% |
| .450 Bushmaster | 1% |
| 6.5 Grendel | 0.8% |
| 7.62x39mm | 0.7% |
| .458 SOCOM | 0.7% |
| .223 Remington | 0.7% |
| .350 Legend | 0.5% |
| .50 Beowulf | 0.3% |
| 7.62x51 NATO | 0.3% |
| .204 Ruger | 0.2% |
| 6.5 Creedmoor | 0.2% |
| 6.8 SPC II | 0.2% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 47.7% |
| Carbine | 28.3% |
| Rifle | 13.4% |
| Pistol | 8.3% |
| Blowback | 1.4% |
| Proprietary | 0.4% |
| Intermediate | 0.4% |
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