Image unavailable
AERO PRECISION Aero Precision M4E1, Douglas 16.5" Mk12 Profile Barrel 556 Nato, Knights Armament SR-15/16 Quad Rail
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$2639.99
View on Guns.com
You'll be taken to Guns.com to complete your purchase.
Hunter's Outpost earns a commission from affiliate links at no extra cost to you.
SKU: 718967
Overview
Built around a 16.5" Mk12 profile barrel and a Knights Armament SR-15/16 quad rail, this setup is configured for hunters and shooters who want a purpose-driven rifle with a dedicated optic and support accessories already in place. The included Sig Sauer SIERRA6BDX 3-18x44mm scope, RPM Bravo Series mount with bubble level, and Harris bipod point to a platform intended for deliberate, supported shooting rather than a stripped-down field build. It also includes a Badger Ordnance gas system, Radian charging handle, SOLGW BCG, SOLGW L2S trigger, Seekins ambi safety, Allen Engineering AEM5 muzzle brake and collar, and BCM stock. The result is a feature-rich rifle package that favors a more specialized long-range or precision-oriented use case, with less emphasis on simplicity or lightweight carry.
Why Hunters Choose the Aero Precision
Includes Sig
Sauer SIERRA6BDX 3-18x44mm scope for
Knights Armament
SR-15/16 quad rail for accessory
Built Douglas
A Douglas 16.5-inch Mk12 profile
Equipped Harris
A Harris bipod for added
Uses Radian
Charging handle and Seekins ambi
Key Features
- Aero Precision M4E1 platform with Douglas 16.5" Mk12 profile barrel chambered in 5.56 NATO.
- Knights Armament SR-15/16 quad rail provides a full-length accessory mounting interface.
- Includes Sig Sauer SIERRA6BDX 3-18x44mm second focal plane optic.
- RPM Bravo Series scope mount comes with an integrated bubble level.
- Equipped with Badger Ordnance gas system, Radian charging handle, and SOLGW BCG.
- Features Harris bipod, SOLGW L2S trigger, Seekins ambi safety, and BCM stock.
Best Used For
- Hunters wanting a scoped rifle setup for deliberate, supported shooting positions
- Users who prefer a quad rail platform with bipod-ready accessories already included
- Shooters looking for an AR-style rifle configured with ambidextrous safety controls
- Those wanting a complete, optics-equipped setup without assembling individual components
- Hunters and range users who value a precision-oriented build with a 3-18x optic
Specifications
| Barrel Length | 16.5" |
|---|---|
| Barrel Profile | Mk12 Profile |
| Bipod | Harris Bipod |
| Bolt Carrier Group | SOLGW BCG |
| Caliber | 5.56 NATO |
| Charging Handle | Radian Charging Handle |
| Gas System | Badger Ordnance Gas System |
| Muzzle Device | Allen Engineering AEM5 Muzzle Break And Collar |
| Optic | Sig Sauer SIERRA6BDX 3-18X44MM (SFP) |
| Rail | Knights Armament SR-15/16 Quad Rail |
| Safety Selector | Seekins Ambi Safety |
| Scope Mount | RPM Bravo Series Scope Mount With Bubble Level |
| Stock | BCM Stock |
| Trigger | SOLGW L2S Trigger |
Pros
- Includes a Sig Sauer SIERRA6BDX 3-18x44mm scope for versatile magnification options.
- Features a Knights Armament SR-15/16 quad rail for accessory mounting flexibility.
- Built with a Douglas 16.5-inch Mk12 profile barrel in 5.56 NATO.
- Equipped with a Harris bipod for added support during steady shooting positions.
- Uses a Radian charging handle and Seekins ambi safety for improved control.
- Includes an RPM Bravo Series scope mount with bubble level for optic setup support.
Considerations & Trade-offs
- This is a highly configured rifle package, so buyers should expect a more specialized setup rather than a simple off-the-shelf carbine.
- The included optic, mount, bipod, and other components make the package feature-rich, but they also add complexity for users who prefer to select each part individually.
- The 16.5" Mk12 profile barrel and quad rail point toward a more purpose-built configuration, which may be less streamlined than a lighter, minimalist setup.
- Because the listing provides component names but not detailed specifications for every part, some fit-and-use preferences will need to be verified before purchase.
Suggested Comparisons
- AR-15 style rifles
- Designated marksman rifles
- Precision-oriented semi-automatic rifles
- Scoped tactical carbines
Suggested Accessories
- Rifle case
- Optic lens covers
- Cleaning kit
- Spare magazines
Frequently Asked Questions
What comes included with this Aero Precision M4E1 setup?
The listed setup includes a Douglas 16.5" Mk12 Profile Barrel in 5.56 NATO, Knights Armament SR-15/16 Quad Rail, Sig Sauer SIERRA6BDX 3-18x44mm (SFP), RPM Bravo Series Scope Mount with Bubble Level, Badger Ordnance Gas System, Radian Charging Handle, Allen Engineering AEM5 Muzzle Brake and Collar, SOLGW BCG, Harris Bipod, SOLGW L2S Trigger, Seekins Ambi Safety, and BCM Stock.
What caliber or chambering is specified for this rifle?
The product data specifies 5.56 NATO.
Is an optic included, and if so, which one?
Yes. The listed optic is the Sig Sauer SIERRA6BDX 3-18x44mm, and it is described as SFP.
Does this build include a bipod and scope mount?
Yes. The product data lists a Harris Bipod and an RPM Bravo Series Scope Mount with Bubble Level.
Are there any details provided about the barrel profile or rail system?
Yes. The title and description specify a Douglas 16.5" Mk12 Profile Barrel and a Knights Armament SR-15/16 Quad Rail. No additional barrel or rail specifications are provided in the supplied data.