CMMG

CMMG AR-15 Lower Springs and Pins Kit - 55AFF75

CMMG AR-15 Lower Springs and Pins Kit - 55AFF75 - Buffer Spring for AR-15 - view 1
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Overview

The CMMG AR-15 Lower Springs and Pins Kit includes essential components designed to ensure a smooth and reliable operation of your AR-15 platform. This kit is crucial for the proper functioning of the lower receiver, helping to maintain the action of the trigger and hammer while providing stability during firing. This product is commonly found in builds featuring a carbine gas system and chambered in 5.56 NATO, making it a staple for many standard AR-15 configurations.

Specifications

MPN55AFF75
PlatformAR-15

Available Merchants(9)

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KY Gun Company
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$10
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Classic Firearms
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$11
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Optics Planet
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$15
CM
CMMG
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$15
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BattleHawk Armory
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$16
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Palmetto State Armory
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$12
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Primary Arms
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$13
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Brownells
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GritR Sports
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$15

Frequently Built With

Based on build data

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

80.8%
AR-1580.8%
AR-1017.7%
AR-91.5%

Caliber

66.9%
5.56 NATO66.9%
.223 Wylde13.2%
300 Blackout7.1%
.308 Win4.5%
.450 Bushmaster2.3%
Other6%

Gas System

44.1%
Mid-Length44.1%
Carbine27.9%
Rifle17.5%
Pistol9.2%
Blowback0.4%
Other0.8%
Frequently Built With Products
ProductCategoryTimes Built Together
Law Tactical AR Folding Stock Adapter Gen 3 - HKStock Adapter71
Strike Industries Extended Bolt CatchBolt Catch67
Strike Industries Cobra Billet Aluminum Trigger Guard - RedTrigger Guard49
Wilson Combat Ar-15 Lo-Profile Gas Block .750" BlackGas Block48
Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BKTakedown Pin47
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod CCharging Handle46
Build Platform Breakdown
PlatformPercentage
AR-1580.8%
AR-1017.7%
AR-91.5%
Build Caliber Breakdown
CaliberPercentage
5.56 NATO66.9%
.223 Wylde13.2%
300 Blackout7.1%
.308 Win4.5%
.450 Bushmaster2.3%
6mm ARC1.9%
.458 SOCOM1.1%
7.62x39mm1.1%
6.5 Grendel1.1%
9mm0.4%
.224 Valkyrie0.4%
Build Gas System Breakdown
Gas SystemPercentage
Mid-Length44.1%
Carbine27.9%
Rifle17.5%
Pistol9.2%
Blowback0.4%
Intermediate0.4%
Proprietary0.4%

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