400 Legend Echo Rifle Build Kit

400 Legend Echo Rifle Build Kit

Home/Store/AR-15 Rifle Uppers/400, 450 & 458
$549.99
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was $699.99 Save $150.00
Upper Style
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Muzzle Device
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Barrel Finish
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Trigger
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Stock
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Pistol Grip
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Assemble Upper Receiver
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400 Legend Echo Rifle Build Kit

Home/Store/AR-15 Rifle Uppers/400, 450 & 458
Product Details
This rifle build kit includes: 

-Echo line rifle upper with; 

-Gen 2 Billet Upper without forward assist (Not Pictured)

-15” M-LOK Handguard 

-18” 416R Stainless Barrel

-1:16 Twist

-Adjustable Gas Block 

-9/16x24 Thread

-Thread Protector

-Dual Charging Handle 

-BCG 


-Lower Parts Kit 

-Buffer Tube Kit 

-M4 stock 


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