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AMERICAN DEFENSE MANUFACTURINGAR-15 UIC Stripped Lower Ambi Receiver 5.56mm

11 Reviews
|
Summary
AR-15 UIC Stripped Lower Ambi Receiver 5.56mm
Brownells #
100035875
MFR #
AD-UICLS-BLK
UPC
818503016479
$359.99

Out of Stock

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Specifications
Cartridge:
5.56x45 NATO
Finish:
Matte
Color:
Black
Make Model Fit:
AR-15
Receiver Style:
Stripped
Restriction
FFL Required:
Yes
Age restriction:
21 and above
Description

Made In The U.S.A.

Products marked with the Stars and Stripes are proudly made in the U.S.A.

Many customers have asked us to show which products are made in America, and we’ve begun working with our vendors to identify them. This information, however, is not available for all items nor does it imply that foreign merchandise is of lesser quality. We will continue to gather this information to assist our customers in making informed buying decisions, and will keep our website current with the latest information.

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We make purchasing and returning products as simple as possible. If you buy a product from Brownells and decide you don’t need it, don’t want it, or just don’t like it, we’ll take it back any time… with a few exceptions

Exceptions include: 

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  • Modified 80% frames & receivers 
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  • Primers
  • Liquids
  • Limited Quantity/Hazardous items
  • Products that are subject to pending or implemented restrictions due to Federal, State, or Local regulation/legislation

All other products are Guaranteed. Forever.® you can easily identify these products by the Guaranteed. Forever.® Icon.

Guaranteed. Forever.

Guaranteed. Forever.® return policy applies to the product’s original owner along with proof of purchase. Any items returned within 45 days of shipment are entitled to a refund. Any items returned after 45 days of shipment will be issued store credit in the form of a Brownells Gift Card. If a Brownells/Sinclair product was purchased through another retailer as a new product we will require proof of purchase to replace or refund.  (Refund will be issued as store credit in the form of a Brownells gift card.)  

There are tons of stripped lower receivers on the market, but only one is loaded with the special features found in the American Defense ADM UIC Lower Receiver. This definitely isn't your standard, mil-spec, budget-priced lower, as the ADM team incorporated a number of next-generation features into this design. To start, each American Defense ADM UIC Lower Receiver is machined with radii and chamfer cuts that make this firearm a marvel of modern machining. The receiver features a 20-degree magwell cut that speeds up reloads, and the well also features reinforcing ribs that make it 40 percent stronger than standard, mil-spec lowers with only half an ounce of added weight. Other features found in the American Defense ADM UIC Lower Receiver include an ambidextrous magazine release, bolt catch, bolt release and dimpled takedown and pivot pins. In a final touch, the entire receiver is finished with a Teflon-impregnated finish that reduces friction and aids in protecting your AR from the elements and keeps it running right.

FFL Restriction
You must be 18 years of age or older to purchase rifles and shotguns, and 21 or older to purchase handguns, receivers, frames, and suppressors. Minimum age requirements may vary by state. Check your state and local laws before ordering. It is your responsibility to fully understand the laws in your area and to ensure that possession of this item would not violate any applicable state or local laws. This product must be delivered to a Federal Firearms License holder.

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AR-15 UIC STRIPPED LOWER AMBI RECEIVER Reviews
Rating Snapshot
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82%
(9)
18%
(2)
0%
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Overall Rating
4.8
11 Reviews
Review Summary
Customers rave about the AR-15 UIC Stripped Lower Ambi Receiver, praising its intuitive controls, excellent machining, and overall quality. Many appreciate its competitive pricing and quick shipping from Brownells. However, some reviewers noted minor issues with control functionality and compatibility. Overall, a solid choice for gun enthusiasts.
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REVIEWS
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11 Reviews
Verified Purchase
March 31, 2024
AMD UIC Lower
I purchased 2 of these lower receivers from brownells at an amazing price.I would love to buy a 3rd at the same price.Overall great price for great product.Really, loving Brownells lately.
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Verified Purchase
April 25, 2024
Very sick
I am more pleased with the UIC lower than I thought I would be.The controls come installed as expected.The front and rear takedown pins come installed.The rear takedown pin has a roll pin holding the spring in place - so awesome.I hate fighting with the takedown pins.Buy it!
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Verified Purchase
February 20, 2025
Best ambi lower
This is by far the best ambi lower on the market.The controls are very intuitive and easy to reach.Machining and finish is excellent.Highly recommend.
MORE DETAILS
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Verified Purchase
January 17, 2024
New lower
Fantastic lower.Purchased on Friday, it arrived at my FFL the following Tuesday.The lowere does not come with the safety selector detent and spring, however, it does come with both take-down pins/detents/springs.Thanks Brownells.
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Verified Purchase
January 28, 2024
Beautiful Billet Lower
Ordered lower off Brownells on Sunday for almost $80 less than ADM website and picked it up from LGS on Thursday.Beautiful lower receiver thats looks very good with a very nice anodizing.I got the matching billet upper with Midwest Ind. handguard, magpul & mft furniture, JP SCS, ADM buffer tube, Radian safety/charge handle/qd endplate/enhanced bcg, Timney 3.5lb Competition 1 stage trigger, v7 Designer dust cover, Aero adjustable GB, Ballistic Advantage Modern Series Barrel, VG6 Gamma brake, JP...Read more
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Customer Questions
Customer Questions
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5 Questions
E
E
Evan G
July 10, 2023
Does this lower come with the Ambi controls and are they pre-installed?
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Isaac W.Company Answer
July 10, 2023

Comes with Bolt and Mag catch.

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M
M
Matt
June 15, 2023
Is this the duty series with blemishes?
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10
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Isaac W.Company Answer
June 15, 2023

No

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10
C
C
Calvin
April 03, 2021
Is the lower machined high shelf, low shelf or m16?
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21
C
C
Customer Care
August 03, 2021

yes

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040
A
A
andrew
May 20, 2020
This lower shouldn't have any issues with the brn180 upper right? And Will any ar ambi safety selector work?
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10
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C
Customer Care
May 20, 2020

This bolt catch may interfere with the BRN-180 upper. 

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20
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T
Tyler
May 08, 2020
What formula aluminum alloy is this lower receiver?
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C
C
Customer Care
May 08, 2020

Billet 7075-T6

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70