CMMG

CMMG AR15 Magazine Catch - 55AFFA7

CMMG AR15 Magazine Catch - 55AFFA7 - Magazine Release for AR-15 - view 1
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Overview

The CMMG AR15 Magazine Catch is a reliable component designed to facilitate the smooth release of your magazine during reloads. This part ensures that magazines lock securely in place while providing a quick and effortless release when needed. It’s commonly found in builds featuring a rifle gas system and chambered for 5.56 NATO, making it an essential piece for standard AR-15 configurations.

Specifications

MPN55AFFA7
ColorBlack

Available Merchants(5)

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KY Gun Company
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GritR Sports
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Frequently Built With

Based on build data

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

83.3%
AR-1583.3%
AR-1016.7%

Caliber

42.9%
5.56 NATO42.9%
.223 Wylde28.6%
6.5 Grendel14.3%
6mm ARC14.3%

Gas System

50%
Rifle50%
Carbine25%
Mid-Length25%
Frequently Built With Products
ProductCategoryTimes Built Together
CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B23
Cmmg Ar-15 Bolt Catch17
Cmmg Ar-15 Safety Selector9
Cmmg Ar-15 Mil-Spec Trigger Kit7
Magpul Ar-15 Moe Enhanced Trigger Guard Black7
Cmmg Ar-15 Forward Assist Kit6
Build Platform Breakdown
PlatformPercentage
AR-1583.3%
AR-1016.7%
Build Caliber Breakdown
CaliberPercentage
5.56 NATO42.9%
.223 Wylde28.6%
6.5 Grendel14.3%
6mm ARC14.3%
Build Gas System Breakdown
Gas SystemPercentage
Rifle50%
Carbine25%
Mid-Length25%

Builds Featuring This Part

See all 10

Builds in the community that include the CMMG AR15 Magazine Catch - 55AFFA7

BuildPartsTotal
Truck gun 16"
22$840.66
Stag Arms 20" build
13$983.17
hog hunter 14.7" 5.56
27$2940.95
6" Aero Precision pistol
27$3141.27
Aero Precision 10.3" build
14$948.30
Second .223 Wylde build
20$1712.89
Latest 5.56 build
23$7507.81
16" 5.56
16$1653.71
30" build
16$901.20
11.5" clone
14$724.03

Customer reviews

5.0out of 5

1 global rating

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Top reviews

R
razey
CMMG mag catch
Reviewed on March 16, 2026Verified with Build

standard mil spec mag catch, drops in for a stock replacement with no fitting required. CMMG quality is consistent across their parts. cheap upgrade if you damaged your factory mag catch

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