Aero Precision M4E1 Pistol Complete Lower Receiver w/ MOE-K2 Grip & SBA4 Brace - Anodized/Black
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Overview
The Aero Precision M4E1 Pistol Complete Lower Receiver w/ MOE-K2 Grip & SBA4 Brace - Anodized/Black is a lower receiver. Compare prices from multiple merchants and find the best deal.
Specifications
Aero Precision M4E1 Pistol Complete Lower Receiver w/ MOE-K2 Grip & SBA4 Brace - Anodized/Black
Available Merchants(3)
Prices checked
Stock Alert
September 2026 on GunPartPicker
Aero Precision M4E1 Pistol Complete Lower Receiver w/ MOE-K2 Grip & SBA4 Brace - Anodized/Black ranked #41 of the 477 lower receivers builders added on GunPartPicker in September 2026, behind the Aero Precision M4A1 Clone Lower Receiver, with about 1 in every 250 lower receivers added to builds. Up from #68 in August. Builds with this lower receiver are mostly chambered in 5.56 NATO (72%), split between mid-length (38%) and carbine-length (31%) gas systems, and nearly all AR-15.
It was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Aero Precision M4E1-E Complete Upper, 16" 5.56 Mid Barrel, Quantum 12" M-LOK HG - Anodized Black
Aero Precision AR-15 Breach Charging Handle Ambidextrous Small Levers
Bravo Company M16 Bolt Carrier Group Black
EOTECH XPS2 Holographic Sight, Tan - XPS2-0TAN
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Magpul AFG-2 Angled Fore Grip - Black
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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