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Questions & Answers
Whats the difference between the kit 1 and the kit 2? Expert Answer

The pk1 has the standard release button, while the pk2 will have the extended release button.

by Kurt Colbourne, Gear Expert, February 24, 2021
Customer Reviews
Helpful Positive Review **For those who use Aero Precision M5 lowers** by Josh, Verified Owner, October 10, 2021
If you're buying this or any custom AR Mag release kit for your AP M5 lower, do note that the mag release arm may not be not long enough to fit and flush the mag release button (this is because AP's mag release button's for the M5 models are taller i...
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11/11 found this helpful
Helpful Positive Review beautiful piece! by Robert Shields, Verified Owner, March 8, 2021
Excellent product and great fitment. The way the extension locks into place makes a rock solid attachment with zero wiggle and flush engagement. The best single sided mag release on the market. I’ll most likely get another. Thanks OP
2/2 found this helpful
Helpful Negative Review Could be better by Jester, Verified Owner, June 7, 2023
The release seems to be machined well enough. The issue is that BAD has changed the design of how the extension tab attaches to the button. It's now attached by a tiny screw, which is counter sunk in the button and relies on back pressure to secure t...
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4/4 found this helpful
Most Recent Reviews Impossible to Install by john, Verified Owner, August 28, 2025
parts look great, id prefer flat over shinty black but thats just splitting hairs. the issue is that it is not possible to install this without taking the paddle off the button and this set does not ship with the microscopic Allen key required to re...
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Most Recent Reviews Great Option by OpticGoon, Verified Owner, May 18, 2025
Spring is a little stiffer than the cmmg ambi mag releases but it feels high quality.
Most Recent Reviews junk part and waste of money by Tony, Verified Owner, February 10, 2024
I should have listened to the other reviewers. This product is junk. Same issue as everyone else with the set screws. This company used to make quality products but after this POS and waste of money I will never use them for anything anymore.
1/1 found this helpful
Read All 14 Reviews
Finish: Black Phosphate Finish Condition: New

Code: 2OS-MRC-BMRK2-BAD-MRK-PK2

MPN: BAD-MRK-PK2

UPC: 810033781292

List: $35.95Save 10%
$32.29

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Receive $0.65 OP Bucks

Product Info for Battle Arms Development AR Magazine Release Part Kit 2

BATTLEARMS Magazine Release Kit - Part Kit 2image

Consisting of

QTY 1 BAD-EMC-IC

QTY 1 Magazine Catch Spring

QTY 1 BAD-EMMR-L-B

BAD-EMC-IC - BATTLEARMS Enhanced Magazine Catch

Process: Investment Cast (Same Process as Mil-Spec)

Material: 8620 Heat Treated Steel Finish: Black Phosphate Finish

Construction: One Piece Engineering (Not Two-Piece)

Design: Lightweight Fluted Design

Compatibility: Compatible with Mil-Spec Magazine Release Button, BAD-EMR, BAD-EMMR, etc.

Length: Shorter Threaded Pin to Reduce Installed Magazine Button Profile of Solid Face Magazine Release Buttons

Weight: 0.25 oz (v.s. 0.32 oz Mil-Spec)

BAD-EMMR-L-B - Enhanced Modular Magazine Release - Large Finger Pad - Black - AR15/AR10

Precision CNC Machined for billet 7075-T6 Aluminum in an anodized BLACK finish, the BAD-EMMR features an unique, patent pending three sided dovetail finger pad attachment mechanism that allows for maximum strength, an almost uninterrupted finger pad face for maximum design aesthetics, light weight and low profile design. The interchangeable finger pads offers excellent ergonomic feel and ease of operation without shifting grip position. If you are looking for maximum flexibility, robust design and unparalleled design aesthetics, the BAD-EMMR is the ultimate extended magazine release for you.

US PATENTS: US 9,518,792 and US D779,620

Specifications for Battle Arms Development AR Magazine Release Part Kit 2:

Manufacturer: Battle Arms Development
Finish: Black Phosphate Finish
Condition: New

Package Contents:

  • Battle Arms Development AR Magazine Release Part Kit 2

Battle Arms Development AR Magazine Release Part Kit 2 Orderable Models

List of Orderable Models

Battle Arms Development AR Magazine Release Part Kit 2, Enhanced Catch, Enhanced Modular Release Large Finger Pad, Black, BAD-MRK-PK2 , MPN: BAD-MRK-PK2 , UPC: 810033781292 , Code: 2OS-MRC-BMRK2-BAD-MRK-PK2

Battle Arms Development AR Magazine Release Part Kit 2 Unavailable & Discontinued Models

List of Unorderable Models

USED Battle Arms Development AR Magazine Release Part Kit 2, Enhanced Catch, Enhanced Modular Release Large Finger Pad, Black, BAD-MRK-PK2, EDEMO2, Condition Parts Only/Salvage, Defective , MPN: BAD-MRK-PK2-EDEMO2 , Code: 2OS-MRC-BMRK2-BAD-MRK-PK2-EDEMO-DF-F
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