Does the PSA Freedom Upper 5.56 16" Carbine 1:7 work with the FailZero Exo Coated?
Upper Receiver
PSA Freedom Upper 5.56 16" Carbine 1:7 M4 Nitride
from $169.99
Bolt Carrier Group
FailZero Exo Coated
from $128.52
Palmetto State Armory upper and FailZero bolt carrier group compatibility
Yes, they fit
The PSA Freedom Upper 5.56 16" Carbine 1:7 M4 works with the FailZero Exo Coated. 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.
PSA Freedom Upper 5.56 16" vs FailZero Exo Coated: specs and prices
| PSA Freedom Upper 5.56 16" | FailZero Exo Coated | |
|---|---|---|
| Best price | $169.99 at Palmetto State Armory | $128.52 at KY Gun Company |
| Stores | 1 of 1 in stock | 4 of 5 in stock |
| Assembly | Complete | n/a |
| Platform | AR-15 | n/a |
| Gas System Length | Carbine | n/a |
| Caliber | 5.56 NATO | n/a |
| Receiver Type | M4 | n/a |
| Length | 16 | n/a |
| Cartridge | n/a | 5.56 NATO |
| Style | n/a | AR-15 Bolt Carrier |
| Finish | n/a | Nickel Boron |
Both for $298.51 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
- PSA Freedom Upper 5.56 16" Carbine 1:7: lowest $149.99 on Jul 31, highest $199.99 on Jul 12 over the last 90 days.
- FailZero Exo Coated: lowest $128.52 on Jul 5, highest $162.49 on Jul 7 over the last 90 days.