Does the Aero Precision M4E1 Threaded Stripped work with the Criterion 16" .223 Wylde Core?

Upper Receiver
Aero Precision M4E1 Threaded Stripped

Barrel
Criterion 16" .223 Wylde Core Phosphate/Chrome-Lined
from $313.49
Aero Precision upper and Criterion Barrels barrel compatibility
Yes, they fit
The Aero Precision M4E1 Threaded Stripped works with the Criterion 16" .223 Wylde Core. 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 Aero Precision upper and Criterion Barrels barrel
Backed by thousands of qualified builds that have both an upper and a barrel.
Share of builds with the Aero Precision M4E1 Threaded Stripped and any barrel
- This pairCriterion 16" .223 Wylde Core17%
Share of builds with the Criterion 16" .223 Wylde Core and any upper
- This pairAero Precision M4E1 Threaded Stripped20%
Aero Precision M4E1 Threaded Stripped
- Of upper picks
- 0%
- Median paid
- n/a
Criterion 16" .223 Wylde Core
- Of barrel picks
- 0.1%
- Median paid
- $313
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 Aero Precision upper and Criterion Barrels barrel
The part builders pick most often in each slot alongside these two, checked against both. Parts that conflict are left out.
Bolt Carrier Group

Aero Precision 5.56 BCG W/C158 Bolt
Fits both
Handguard
Gas Block
Pistol Grip
Aero Precision M4E1 Threaded vs Criterion 16" .223 Wylde Core: specs and prices
| Aero Precision M4E1 Threaded | Criterion 16" .223 Wylde | |
|---|---|---|
| Best price | n/a | $313.49 at AR15 Discounts |
| Stores | n/a | 2 of 2 in stock |
| Assembly | Stripped | n/a |
| Platform | AR-15 | n/a |
| Receiver Type | M4E1 | n/a |
| Caliber | n/a | .223 Wylde |
| Gas System | n/a | Mid-Length |
| Length | n/a | 16 |
| Twist | n/a | 1:8 |
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
- Criterion 16" .223 Wylde Core: lowest $313.49 on Jul 5, highest $313.49 on Jul 5 over the last 90 days.
Barrels frequently paired with the Aero Precision M4E1 Threaded Stripped
Most picked next to it in real builds. Only parts our rules say fit the Aero Precision M4E1 Threaded Stripped are listed.
Upper Receivers most paired with Criterion Barrels barrels
The Criterion 16" .223 Wylde Core is not in enough builds yet, so these are the most picked next to any Criterion Barrels barrel. Only parts our rules say fit the Criterion 16" .223 Wylde Core are listed.





















