Does the Sons of Liberty Gun Works Forward work with the Aero Precision M4E1 Threaded Upper?

Lower Receiver
Sons of Liberty Gun Works Forward Controls Design Billet
from $313.50

Upper Receiver
Aero Precision M4E1 Threaded Upper
from $593.99
Sons of Liberty Gun Works lower and Aero Precision upper compatibility
Yes, they fit
The Sons of Liberty Gun Works Forward Controls works with the Aero Precision M4E1 Threaded Upper. Our compatibility rules found no conflict between them.
This exact setup is in a real GunPartPicker build.
Counted from real GunPartPicker builds: parts lists people put together while planning to buy.
Checked by the same rules the AR builder runs on every part you add: caliber, frame size, receiver pattern, thread pitch and gas length.
Fit is judged from the specs retailers list, which can be missing or wrong. Confirm with the manufacturer before you buy, and have a qualified gunsmith check any build before you fire it.
How often builders pair the Sons of Liberty Gun Works lower and Aero Precision upper
Backed by tens of thousands of qualified builds that have both a lower and an upper.
Share of builds with the Sons of Liberty Gun Works Forward and any upper
- This pairAero Precision M4E1 Threaded Upper4%
Share of builds with the Aero Precision M4E1 Threaded Upper and any lower
- This pairSons of Liberty Gun Works Forward Controls0.3%
Sons of Liberty Gun Works Forward
- Of lower picks
- 0.1%
- Median paid
- $314
Aero Precision M4E1 Threaded Upper
- Of upper picks
- 2.3%
- Median paid
- $594
How we count ⌄
These shares come from GunPartPicker's build data: real parts lists people put together while planning a purchase, not sales or surveys. A build counts a part only when it is the final pick for its slot, so parts that were swapped out never count. Fit never comes from these numbers; it comes from our compatibility rules alone.
Frequently built with the Sons of Liberty Gun Works lower and Aero Precision upper
The part builders pick most often in each slot alongside these two, checked against both. Parts that conflict are left out.
Charging Handle

Aero Precision Breach Small Levers
Fits both
Stock & Brace
Pistol Grip
Suppressor
Sons of Liberty Gun Works vs Aero Precision M4E1 Threaded: specs and prices
| Sons of Liberty Gun Works | Aero Precision M4E1 Threaded | |
|---|---|---|
| Best price | $349.00 at Primary Arms | $593.99 at AR15 Discounts |
| Stores | 1 of 3 in stock | 0 of 2 in stock |
| Assembly | Stripped | Complete |
| Platform | AR-15 | AR-15 |
| Caliber | Multi | 5.56 NATO |
| Finish | Hardcoat Anodized | n/a |
| Color | Black | n/a |
| Gas System Length | n/a | Mid-Length |
| Receiver Type | n/a | M4E1 |
| Length | n/a | 16 |
Both for $942.99 at today's best prices.
Today's best prices and 90 day price history
Every store we track for each part, cheapest in stock first. Prices are checked through the day.
Price history, last 90 days
- Sons of Liberty Gun Works Forward: lowest $313.50 on Aug 30, highest $349.00 on Jul 6 over the last 90 days.
- Aero Precision M4E1 Threaded Upper: lowest $593.99 on Jul 5, highest $624.99 on Jul 14 over the last 90 days.
Upper Receivers frequently paired with the Sons of Liberty Gun Works Forward
Most picked next to it in real builds. Only parts our rules say fit the Sons of Liberty Gun Works Forward are listed.
Lower Receivers frequently paired with the Aero Precision M4E1 Threaded Upper
Most picked next to it in real builds. Only parts our rules say fit the Aero Precision M4E1 Threaded Upper are listed.


















