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18" 450 Bushmaster Upper Assembly AR 15 Rifle Length Rail
18" 450 Bushmaster Upper Assembly AR 15 Rifle Length Rail


 
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List Price: $489.99
Our Price: $269.99
Savings: $220.00

Availability:: Usually Ships in 24 to 72 Hours
Product Code: 18450CMU1X24RLMLR


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18" 450 Bushmaster Upper Assembly AR 15 Rifle Length Rail


*Milspec forged aluminum upper receiver with forward assist and dust cover assembly installed. Matte black hard coat anodized Mil 8625 Type 3 Class 2. One large single Feed Ramp for big bore cartridges. Forged from 7075 T6 aluminum. This receiver has been correctly modified around the ejection port to allow for clearance and proper ejection of the 450 Bushmaster cartridge.

*12" Rifle Length Narrow Profile Free Float Rail. Very comfortable and very light weight. Your choice of Keymod or M Lok slots. Slots run the entire length of our rail at the 3, 6, and 9 o'clock postions. Picatiny rail sections NOT included but are available for purchase on our website if needed. Rail sections easily attach to our rails for adding accessories like bipods, flash lights, grips, lasers, etc.

*18" 450 Bushmaster 4150 Hardened Chrome Moly Steel Barrel with 1x24 twist. Heavy Contour with 5/8x32 muzzle threads. Proper single feed ramp for 450 Bushmaster cartridge. Parkerized finish.

*.750 low profile gas block.

*Mid Length Gas Tube.

*Compact competition muzzle brake with crush washer.

*This upper assembly will fit all standard AR 15 lower receivers.

This item IS NOT A FIREARM!!! It is only "Firearm Parts", so no FFL is needed and it can be shipped directly to you. You are responsible for knowing your state or local laws. We will not ship this item to areas where it is not legal to own..


Average Rating: Average Rating: 5 of 5 5 of 5 Total Reviews: 27 Write a review »

  0 of 0 people found the following review helpful:
 
5 of 5 Nice upper May 24, 2020
Reviewer: Martin Homan from LACEYVILLE, PA United States  
Shoots well and functions properly. Happy with the purchase.

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  0 of 0 people found the following review helpful:
 
4 of 5 Hell round May 4, 2020
Reviewer: Clayton Younger from Quinlan , TX United States  
Good barrel smooth action devastating energy

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  0 of 0 people found the following review helpful:
 
5 of 5 May 2, 2020
Reviewer: Terry Howard  


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  0 of 0 people found the following review helpful:
 
4 of 5 Upper and barrel convo April 6, 2020
Reviewer: SHAWN MORTENSEN from CADILLAC, MI United States  
Looks excellent haven’t used it yet so I’ll hold full review

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  0 of 0 people found the following review helpful:
 
5 of 5 third one is the charm April 4, 2020
Reviewer: Glen Hensley from Lebanon, OR United States  
I purchased and returned from two other manufacturers, both failed out of the box,tried this one and was immediately satisfied,fed properly extracted properly no issues,excellent purchase

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