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AeroPrecision
Building or rebuilding an AR-15 starts with a complete lower parts kit, and the Aero Precision M4E1 Lower Parts Kit with MOE SL Grip in FDE gives you everything you need to finish an M4E1 lower receiver or compatible mil-spec lower. This kit bundles Aero's proven components with Magpul's MOE SL Grip—a ergonomic, lightweight option favored by shooters who want a solid grip without bulk. The FDE finish matches today's most popular rifle builds, giving you a cohesive look from trigger guard to grip.
What sets this kit apart is what's included: a complete mil-spec fire control group (trigger, hammer, disconnector, and all springs and pins), bolt catch assembly, magazine catch assembly, safety selector, buffer retainer, and takedown/pivot pin hardware. Because this kit is designed for the M4E1 Lower—which has a built-in trigger guard—you won't find a separate guard in the box; that's by design. All the small parts, springs, and detents you'll need are accounted for, so you can move straight to assembly without hunting down strays. The Magpul MOE SL Grip is skeletonized for weight savings and rides lower on the receiver for a more compact profile, making it a natural choice for tactical builds, hunting rifles, or any AR where weight matters.
This is the straightforward choice for shooters who trust mil-spec reliability and want a no-nonsense parts kit with a quality grip already included. Pair it with your stripped lower and upper receiver, and you're on your way.
| Brand | Aero Precision |
| Product Type | Lower Parts Kit |
| Grip | Magpul MOE SL |
| Grip Color | FDE |
| Fire Control Group | Mil-Spec |
| Compatibility | Aero Precision M4E1 Lower Receiver, mil-spec lower receivers |
Yes, this kit is designed for the Aero Precision M4E1 Lower and is compatible with standard mil-spec lower receivers. Note that it does not include a trigger guard, as the M4E1 has an integrated trigger guard; if your lower has a separate guard, you'll need to source that separately.
The kit includes the Magpul MOE SL Grip, a complete mil-spec fire control group (trigger, hammer, disconnector, springs, and pins), bolt catch assembly, magazine catch assembly, safety selector, buffer retainer, takedown and pivot pin hardware with detents and springs, and a 4-40 set screw. The trigger guard is not included.
The facts provided describe the mil-spec fire control group in this kit. For questions about swapping in upgraded triggers, consult the documentation for the specific trigger you want to use and verify compatibility with your lower receiver.
The finish is a matter of preference and build aesthetics. FDE pairs well with modern rifle builds and aftermarket furniture in tan, and it's neutral enough to complement a range of stock and rail finishes. Choose the color that fits your rifle's overall look.
AeroPrecision
Building or rebuilding an AR-15 starts with a complete lower parts kit, and the Aero Precision M4E1 Lower Parts Kit with MOE SL Grip in FDE gives you everything you need to finish an M4E1 lower receiver or compatible mil-spec lower. This kit bundles Aero's proven components with Magpul's MOE SL Grip—a ergonomic, lightweight option favored by shooters who want a solid grip without bulk. The FDE finish matches today's most popular rifle builds, giving you a cohesive look from trigger guard to grip.
What sets this kit apart is what's included: a complete mil-spec fire control group (trigger, hammer, disconnector, and all springs and pins), bolt catch assembly, magazine catch assembly, safety selector, buffer retainer, and takedown/pivot pin hardware. Because this kit is designed for the M4E1 Lower—which has a built-in trigger guard—you won't find a separate guard in the box; that's by design. All the small parts, springs, and detents you'll need are accounted for, so you can move straight to assembly without hunting down strays. The Magpul MOE SL Grip is skeletonized for weight savings and rides lower on the receiver for a more compact profile, making it a natural choice for tactical builds, hunting rifles, or any AR where weight matters.
This is the straightforward choice for shooters who trust mil-spec reliability and want a no-nonsense parts kit with a quality grip already included. Pair it with your stripped lower and upper receiver, and you're on your way.
| Brand | Aero Precision |
| Product Type | Lower Parts Kit |
| Grip | Magpul MOE SL |
| Grip Color | FDE |
| Fire Control Group | Mil-Spec |
| Compatibility | Aero Precision M4E1 Lower Receiver, mil-spec lower receivers |
Yes, this kit is designed for the Aero Precision M4E1 Lower and is compatible with standard mil-spec lower receivers. Note that it does not include a trigger guard, as the M4E1 has an integrated trigger guard; if your lower has a separate guard, you'll need to source that separately.
The kit includes the Magpul MOE SL Grip, a complete mil-spec fire control group (trigger, hammer, disconnector, springs, and pins), bolt catch assembly, magazine catch assembly, safety selector, buffer retainer, takedown and pivot pin hardware with detents and springs, and a 4-40 set screw. The trigger guard is not included.
The facts provided describe the mil-spec fire control group in this kit. For questions about swapping in upgraded triggers, consult the documentation for the specific trigger you want to use and verify compatibility with your lower receiver.
The finish is a matter of preference and build aesthetics. FDE pairs well with modern rifle builds and aftermarket furniture in tan, and it's neutral enough to complement a range of stock and rail finishes. Choose the color that fits your rifle's overall look.
