18"
“FN 20-100042 AR-15 5.56x45mm NATO 18″ Button Rifled M16 Profile Rifle Length Gas System, Black Phosphate Cold Hammer Forged Chrome Lined” has been added to your cart. View cart
Showing 13–24 of 32 results
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Out of stockBarrels
Magnum Research ABAR1022UT Replacement Barrel Ultra 22 LR 18″ Threaded Black Aluminum Barrel Fits Ruger 10/22
$171.25Out of stock. Join the waitlist to be notified when this product becomes available. -
4 left in stock
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Out of stockBarrels
Magnum Research CZ455BAR18U Replacement Barrel Ultra 22 LR 18″ Threaded Black Aluminum Barrel Fits CZ455
$165.00Out of stock. Join the waitlist to be notified when this product becomes available. -
Out of stockBarrels
Magnum Research RTBAR16UT Replacement Barrel Ultra 22 LR 18″ Threaded Black Aluminum Barrel Fits Ruger 10/22 Takedown
$206.25Out of stock. Join the waitlist to be notified when this product becomes available. -
Out of stockBarrels
Proof Research 100028 AR-Style Barrel 308 Win 18″ Rifle Length Gas System 1:10″ Twist 5 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped
$999.00Out of stock. Join the waitlist to be notified when this product becomes available. -
Out of stockBarrels
Proof Research 121665 AR-Style Barrel 6.5 Grendel 18″ Rifle Length Gas System 1:8″ Twist 4 Grooves, 5/8-24 tpi, Carbon Fiber Wrapped
$999.00Out of stock. Join the waitlist to be notified when this product becomes available. -
Out of stockBarrels
Proof Research 128671 AR-Style Barrel 6mm ARC 18″ Black Carbon Fiber Finish 416R Stainless Steel Material Rifle Length with Threading & .750″ Gas Journal Diameter for AR-Platform
$999.00Out of stock. Join the waitlist to be notified when this product becomes available. -
Out of stockBarrels
Proof Research 128688 AR-Style Barrel 6mm ARC 18″ Stainless Steel Finish & Material Rifle Length with Threading & .750″ Gas Journal Diameter for AR-Platform
$649.00Out of stock. Join the waitlist to be notified when this product becomes available. -
Only 1 left in stock






