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Rainier Arms AR-15 Gen 2 Forged A4 Upper Receiver RA-A4-UR-G2 Color: Black, Gun Make: AR Platform, 11% Off w/ Free S&H

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Rainier Arms Gen 2 Forged A4 Upper Receiver, AR-15, Black, RA-A4-UR-G2
Rainier Arms Gen 2 Forged A4 Upper Receiver, AR-15, Black, RA-A4-UR-G2
Rainier Arms Gen 2 Forged A4 Upper Receiver, AR-15, Black, RA-A4-UR-G2
Rainier Arms Gen 2 Forged A4 Upper Receiver, AR-15, Black, RA-A4-UR-G2
Rainier Arms Gen 2 Forged A4 Upper Receiver, AR-15, Black, RA-A4-UR-G2
Rainier Arms Gen 2 Forged A4 Upper Receiver, AR-15, Black, RA-A4-UR-G2
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Rainier Arms Gen 2 Forged A4 Upper Receiver, AR-15, Black, RA-A4-UR-G2
Rainier Arms Gen 2 Forged A4 Upper Receiver, AR-15, Black, RA-A4-UR-G2
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Rainier Arms Gen 2 Forged A4 Upper Receiver, AR-15, Black, RA-A4-UR-G2
Rainier Arms Gen 2 Forged A4 Upper Receiver, AR-15, Black, RA-A4-UR-G2
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Rainier Arms Gen 2 Forged A4 Upper Receiver, AR-15, Black, RA-A4-UR-G2
Rainier Arms Gen 2 Forged A4 Upper Receiver, AR-15, Black, RA-A4-UR-G2
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Rainier Arms Gen 2 Forged A4 Upper Receiver, AR-15, Black, RA-A4-UR-G2
Rainier Arms Gen 2 Forged A4 Upper Receiver, AR-15, Black, RA-A4-UR-G2
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Rainier Arms Gen 2 Forged A4 Upper Receiver, AR-15, Black, RA-A4-UR-G2

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Questions & Answers
Customer Reviews
Helpful Positive Review
Great thermal fit upper by Akhoi, Verified Owner, November 21, 2025
This matte black upper match well with my Expo Arms/ Zev wedge lock handguard. I specifically bought this because it has a hole above the gas tube hole that will utilize the anti-rotational pin on my handguard. The price on OP is not that bad either ...
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1/1 found this helpful
Most Recent Reviews
No M4 feed ramps, tight barrel opening by SteveTFC, Verified Owner, July 6, 2026
This receiver has no M4 feed ramps cut into it. The three AR-15 barrels I have tried require a lot of force to insert in it. Perhaps some people want an old fashioned receiver. Perhaps this receiver is supposed to be heated to accept a barrel.
Read All 2 Reviews
Color:
Black
Included Accessories:
Standard
Condition:
New

Code: 4ZM-UPK-RAIN7AR-RA-A4-UR-G2

MPN: RA-A4-UR-G2

UPC: 744985350308

List: $146.49Save 11%
$130.00

ATTENTION! We currently do not ship this product to P.O. Boxes, AK, CA, CT, DE, HI, MA, NJ, NY, U.S. Territories, or select Colorado locations. Please see our policies for more information or a detailed list of locations.

Product Info for Rainier Arms AR-15 Gen 2 Forged A4 Upper Receiver

Rainier Arms Forged Upper was designed to fit our forged lower receivers with color, texture, & machining. These uppers are "T - marked" engraved and have extended M4 feed ramps. Gen 2 Uppers are deep black finish and match well with RA lowers and MEGA lowersimage

Specifications for Rainier Arms AR-15 Gen 2 Forged A4 Upper Receiver:

Manufacturer: Rainier Arms
Color: Black
Gun Make: AR Platform
Gun Model: AR-15
Included Accessories: Standard
Condition: New

Package Contents:

  • Rainier Arms AR-15 Gen 2 Forged A4 Upper Receiver

What firearm models does the manufacturer say Rainier Arms AR-15 Gen 2 Forged A4 Upper Receiver is compatible with?

The manufacturer suggests that Rainier Arms AR-15 Gen 2 Forged A4 Upper Receiver is compatible with AR-15

Rainier Arms AR-15 Gen 2 Forged A4 Upper Receiver Orderable Models

List of Orderable Models

  • Rainier Arms Gen 2 Forged A4 Upper Receiver, AR-15, Black, RA-A4-UR-G2 , MPN: RA-A4-UR-G2 , UPC: 744985350308 , Code: 4ZM-UPK-RAIN7AR-RA-A4-UR-G2
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Last updated 2026-09-09 UTC.