Daniel Defense M4A1 FSP 14.50" Carbine-Length Upper 5.56x45mm 1:7 Quad Rail with BCG and CH, Flat Dark Earth - Tactical Precision - 2300409376
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Daniel Defense
Overview
The Daniel Defense M4A1 FSP Upper Receiver features a 14.5-inch barrel chambered in 5.56 NATO, designed with a carbine-length gas system for reliable cycling in a compact platform. The 1:7 twist rate is optimized for stabilizing a wide range of bullet weights, making it versatile for various ammunition choices. This upper is commonly used in builds that prioritize lightweight maneuverability while maintaining the performance expected from a tactical setup.
Specifications
Daniel Defense M4A1 FSP 14.50" Carbine-Length Upper 5.56x45mm 1:7 Quad Rail with BCG and CH, Flat Dark Earth - Tactical Precision - 2300409376
Available Merchants(6)
Prices checked
Price Alert
September 2026 on GunPartPicker
Daniel Defense M4A1 FSP 14.50" Carbine-Length Upper 5.56x45mm 1:7 Quad Rail with BCG and CH, Flat Dark Earth - Tactical Precision - 2300409376 ranked #267 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #643 of the 1,682 upper receivers builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today all 6 retailers we track have it in stock. Prices barely moved in September 2026, holding around $1,551, so there haven't been real sales lately. Buying today, the lowest price is $1,506 at Palmetto State Armory, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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