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20'' Custom Upper

20" Custom Upper
20" Custom Upper
Our Price: $375.00

Stock Status:In Stock

Product Code: CU102


Bolt & Carrier


Gas Blocks

Flash Hiders


Charging Handle

Description Technical Specs

20" Pre-Ban Heavy Profile Barrel Assembly


Upper assembly comes completely head spaced and test fired. Ready to drop onto a complete lower receiver.
Other selections are available for upper, bolt and carrier, charging handle, handguards, flash hiders, and gas blocks. Barrel customizations are also available. Please choose from the options listed

NOTE: F-Marked Front Sight Base is not compatible with an A2 Upper due to height compatibility, therefore if you choose an A2 Upper and want a standard front sight base you need to choose the Standard A2 Front Sight Base.


WARNING: Some of the products on this website can expose you to chemicals including lead, which is known by the State of California to cause cancer and birth defects or other reproductive harm. For more information please go to www.P65Warnings.ca.gov.
Average Customer Review: Average Customer Review: 5 of 5 5 of 5 Total Reviews: 5 Write a review.

  1 of 1 people found the following review helpful:
5 of 5 Great Upper March 12, 2020
Reviewer: @ZonaZj on IG from Chandler, AZ United States  
I have this on my Anderson lower, fits perfect. Heavy barrel with a foregrip bipod combo makes it easy. Shoots great, 400+ rounds through so far and zero issues. Definitely recommend for those like myself building on a budget and looking for a solid piece.

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  1 of 1 people found the following review helpful:
5 of 5 great quality for the price March 4, 2014
Reviewer: Lw from west sacramento, CA United States  
for the money you cant beat it.i received mine yesterday and it is a really nice upper.it fits my lower receiver perfect with almost zero play.everything on it seems to be good to go,i haven't had a chance to shoot it yet but I think it is worth every penny.

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  1 of 1 people found the following review helpful:
5 of 5 20" custom upper February 12, 2011
Reviewer: kenneth clayton from red bluff, CA United States  
i ordered this upper with the YHM lo-pro gas block and heavy barrel and i slapped a JP enterprises muzzlebreak and a TROY industries 13.8" MRF rail on it and it looks so clean. the receiver is a beautiful fit to my custom painted lauer custom lower. i WILL buy many uppers and rifle kits from DEL-TON in the future. i am very impressed with everything about this company.  i wish the would get more gun magazine "centerfold" articles.

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  4 of 4 people found the following review helpful:
4 of 5 Great quality March 30, 2010
Reviewer: John Gomez from Glendora, CA United States  
Well, This was my 1st Ar-15 build. I purchased a Del-Ton Lower and it made sense to look at the uppers they offered. The price was right where my budget needed it to be so I purchased the 20" custom with YHM Diamond free float quad rail. When it finally arrived i was extremely impressed. Fit with my lower is very good. After about 100 rd break in period where i cleaned the barrel after every 10 rnds it functioned flawlessly. Some cheaper lower powered ammo caused it to short stroke and it didn't feed reliably. After switching ammo it functioned without issues. Accuracy is impressive. I am using XM193 5.56 ammo and can easy shoot 2" 10rd groups. I will buy from Del-Ton again!

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  12 of 12 people found the following review helpful:
5 of 5 Outstanding Quality. July 11, 2007
Reviewer: Dave from Gardnerville, NV United States  
I recently purchased a custom upper and have to admit that it makes my rifle superior to any factory equivalent on the market. I am more than satisfied with my new investment, and if you have DEL-TON create a custom upper for you, you will share the same feelings.~DJH

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