Aero Precision M4a1 Clone Lower Receiver

Aero Precision M4a1 Clone Lower Receiver - Lower Receiver for AR-15 - view 1
Aero Precision M4a1 Clone Lower Receiver - Lower Receiver for AR-15 - view 2
Aero Precision M4a1 Clone Lower Receiver - Lower Receiver for AR-15 - view 3
Aero Precision M4a1 Clone Lower Receiver - Lower Receiver for AR-15 - view 4
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Aero Precision

Overview

The Aero Precision M4a1 Clone Lower Receiver is a stripped lower designed for the AR-15 platform, ready for you to build your custom rifle. It is compatible with the 5.56 NATO caliber and features a trigger pin diameter of .154, making it a versatile choice for various trigger options. This lower receiver commonly appears in builds utilizing a mid-length gas system, providing a balanced shooting experience.

Specifications

MPNAPAR148018C
PlatformAR-15
Trigger Pin.154
AssemblyStripped
Caliber5.56 NATO
FinishHardcoat Anodized
ColorBlack
MaterialPolymer

Available Merchants(4)

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Brownells
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$130
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BattleHawk Armory
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Stag Arms
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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

100%
AR-15100%

Caliber

86.7%
5.56 NATO86.7%
300 Blackout13.3%

Gas System

76.9%
Mid-Length76.9%
Pistol15.4%
Carbine7.7%
Frequently Built With Products
ProductCategoryTimes Built Together
CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B69
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger63
Strike Industries Extended Bolt Catch58
B5 Systems Trigger Guard ATG-001-0156
Bravo Company Ar-15/m16 Bcm Mil-Spec 6 Position Receiver Extension54
Timber Creek Outdoors Ambidextrous Safety Selector - Black52
Build Platform Breakdown
PlatformPercentage
AR-15100%
Build Caliber Breakdown
CaliberPercentage
5.56 NATO86.7%
300 Blackout13.3%
Build Gas System Breakdown
Gas SystemPercentage
Mid-Length76.9%
Pistol15.4%
Carbine7.7%

Builds Featuring This Part

See all 56

Builds in the community that include the Aero Precision M4a1 Clone Lower Receiver

BuildPartsTotal
For the range mostly 16"
12$639.10
Latest 5.56 build
12$974.49
aero precision 14.5" 5.56
14$981.56
Second 5.56 build
22$2090.38
new 5.56 build
17$780.28
16" build
12$2971.84
PDW 17.7" 5.56
31$2660.49
16" aero precision SBR
26$1830.41
2-gun 14.5"
14$2279.00
Aero Precision 16" build
27$2187.57
SBR 14.5" 5.56
30$4944.09
Home defense 16" 5.56
20$974.93

Customer reviews

4.7out of 5

7 global ratings

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Top reviews

N
NaimElm
Aero M4A1 clone tight fit
Reviewed on May 13, 2026Verified with Build

Aero Precision M4A1 clone lower fits tight to a M4 spec upper with no detectable play at the takedown pin lugs. Cerakote colt gray is consistent. Authentic M4A1 markings are clean. Solid base for an authentic-style clone build.

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C
cbook20_pdw
Aero M4A1 clone perfect mate
Reviewed on May 4, 2026Verified with Build

Aero M4A1 clone lower mates perfectly with my BCM upper. Authentic M4A1 markings on the magwell are sharp. Cerakote colt gray is consistent. Standard mil-spec dimensions accept any parts kit. Solid clone build base.

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Z
zCHASEz
Aero M4A1 clone cerakote thick
Reviewed on April 29, 2026Verified with Build

Aero Precision M4A1 clone lower has the cerakote in colt gray. Cerakote is slightly thicker than expected which made the initial mate to my upper tight - eased after a few cycles. Authentic M4A1 markings are nicely applied.

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T
thelegend27
Aero M4A1 clone exceeds price
Reviewed on April 18, 2026Verified with Build

Aero M4A1 clone lower exceeds expectations for the price. Authentic M4A1 markings on the magwell. Cerakote colt gray is consistent. Recommend it for any clone build. Standard mil-spec dimensions accept all parts kits.

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A
AWright_87
Aero M4A1 clone anodize off
Reviewed on April 10, 2026Verified with Build

Aero Precision M4A1 clone lower has anodize that varies slightly from my Aero upper in direct light. Mate is tight at the takedown pins with no rattle. Quality forging. Authentic M4A1 markings are sharp.

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C
Claudel
M4A1 clone lower
Reviewed on March 12, 2026Verified with Build

aero M4A1 clone lower with the correct markings for a clone build. tolerances are tight against an aero upper, takedown pins slip with thumb pressure. anodize is even across the receiver

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C
chempel.01
Aero M4A1 clone solid value
Reviewed on February 26, 2026Verified with Build

Aero M4A1 clone lower is better than I expected for the price. Authentic M4A1 markings are sharp. Cerakote colt gray is consistent. Standard milspec dimensions. Mate to my BCM upper has minimal play. Recommend for clone builds.

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