Does the Aero Precision M4E1 Stripped work with the Criterion 20" HBAR Contour?
Aero Precision lower and Criterion Barrels barrel compatibility
Yes, they fit
The Aero Precision M4E1 Stripped works with the Criterion 20" HBAR Contour. Our compatibility rules found no conflict between them.
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.
Aero Precision M4E1 Stripped vs Criterion 20" HBAR Contour: specs and prices
| Aero Precision M4E1 Stripped | Criterion 20" HBAR Contour | |
|---|---|---|
| Best price | $112.99 at Brownells | $313.49 at Brownells |
| Stores | 0 of 5 in stock | 0 of 2 in stock |
| Assembly | Stripped | n/a |
| Platform | AR-15 | n/a |
| Trigger Pin | .154 | n/a |
| Finish | Hardcoat Anodized | n/a |
| Color | Black | n/a |
| Caliber | n/a | .223 Wylde |
| Gas System | n/a | Rifle |
| Length | n/a | 20 |
| Twist | n/a | 1:8 |
| Contour | n/a | HBAR |
| Thread | n/a | 1/2x28 |
| Weight | 8.6 | 2.9 |
Both for $426.48 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
- Aero Precision M4E1 Stripped: lowest $100.76 on Jul 6, highest $139.99 on Jul 12 over the last 90 days.
- Criterion 20" HBAR Contour: lowest $313.49 on Jul 5, highest $313.49 on Jul 5 over the last 90 days.