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Questions & Answers
Is this made of aluminum of plastic? Expert Answer

R&D Precision does not provide material specifications for their 9mm Colt Pattern Mag Well Insert. I would recommend contacting them directly for more information.

by Ethan, Gear Expert, November 25, 2022
Does this work with aero epc9 uppers? Expert Answer

The &D Precision 9mm Colt Pattern Mag Well Insert will most likely not work with the EPC9 Upper. I recommend contacting Aero Precision to confirm compatibility.

by Hunter, Gear Expert, March 1, 2023
Customer Reviews
Helpful Positive Review Nice metal colt mag adapter by DB, Verified Owner, November 28, 2022
No instructions included but installation was pretty self explanatory. I did have to remove the top washer since it prevented me from putting my upper in place. Tried with both 32 round promag and ASC and they both fit fine. Its made from metal so I'...
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2/2 found this helpful
Helpful Positive Review 9mm colt style insert. RDPrecisionAZllc by castanagajt, December 22, 2022
I saw this in person when I was invited to RD precision at Lake Havasu, AZ around May of 2022. It fitted magazine wells of mil spec forged, all the various race gun billet ar15 billets that he had laying around. Easy to install and the old 9mm surp...
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3/3 found this helpful
Helpful Positive Review Works great! by Tom Hayes, Verified Owner, January 12, 2024
Fits perfectly! You will need to adjust the ejector, but this is nornal for all ar9s. Don't expect proper ejection out of the box, but it's how it goes.
1/1 found this helpful
Helpful Positive Review R&D PRECISION by Randy, December 2, 2022
The magwell body is made from t6061 t6 billet aluminum with a hard ano finish. No plastic componants in the assembly. The bolt catch, ejector, and feed ramp are all steel with nitride finish. No shortcuts on quality. The cap screw on the top is desig...
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1/1 found this helpful
Helpful Negative Review Feed issues with MAT-9 by Douglas, Verified Owner, August 31, 2024
I see allot of people are having success with standard blowback AR-9 uppers, But when mated with the Matador MAT-9 I am having serious feed issues. I can’t go more than 4 rounds without a jam. The main issue appears to be that my Duramag 33 round col...
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1/2 found this helpful
Most Recent Reviews Mag well insert by Terry, Verified Owner, August 23, 2025
Fit and function perfectly in an Anderson lower with a FRT. No feed or ejection problems using Duramags.
Read All 15 Reviews
Color: Black Magazine Capacity: 0 RoundCondition: New

Code: 4ZL-CNC-PR1-RD8292MI1-0RD

MPN: RD8292MI1

List: $99.00Save 20%
$79.00

Product Info for R&D Precision 9mm Colt Pattern Mag Well Insert

R&D Precision 9mm Colt Pattern Mag Well Insert.image

Specifications for R&D Precision 9mm Colt Pattern Mag Well Insert:

Manufacturer: R&D Precision
Color: Black
Gun Make: Colt
Magazine Capacity: 0 Round
Condition: New
Caliber: 9mm Luger
Magazine Included: No

Package Contents:

  • R&D Precision 9mm Colt Pattern Mag Well Insert

R&D Precision 9mm Colt Pattern Mag Well Insert Orderable Models

List of Orderable Models

R&D Precision 9mm Colt Pattern Mag Well Insert, Black, RD8292MI1 , MPN: RD8292MI1 , Code: 4ZL-CNC-PR1-RD8292MI1-0RD

R&D Precision 9mm Colt Pattern Mag Well Insert Unavailable & Discontinued Models

List of Unorderable Models

USED R&D Precision 9mm Colt Pattern Mag Well Insert, Black, RD8292MI1, EDEMO3, Condition Fair, Scratches , MPN: RD8292MI1-EDEMO3 , Code: 4ZL-CNC-PR1-RD8292MI1-0RD-EDEMO-SC-D
USED, R&D Precision 9mm Colt Pattern Mag Well Insert, Black, RD8292MI1 , MPN: RD8292MI1-EDEMO , Code: 4ZL-CNC-PR1-RD8292MI1-0RD-EDEMO-IN-D
USED R&D Precision 9mm Colt Pattern Mag Well Insert, Black, RD8292MI1, EDEMO2, Used, Condition Fair , MPN: RD8292MI1-EDEMO2 , Code: 4ZL-CNC-PR1-RD8292MI1-0RD-EDEMO2
USED, R&D Precision 9mm Colt Pattern Mag Well Insert, Black, RD8292MI1 , MPN: RD8292MI1-EDEMO , Code: 4ZL-CNC-PR1-RD8292MI1-0RD-EDEMO-US-D
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