Does the CMMG MK4 .223 Remington AR Lower work with the PSA 18" Rifle Length .223 Wylde 1:7 SS?
Lower Receiver
CMMG MK4 .223 Remington AR Lower
from $100.02
Upper Receiver
PSA 18" Rifle Length .223 Wylde 1:7 SS 15" Lightweight M-LOK
from $379.99
CMMG lower and Palmetto State Armory upper compatibility
Yes, they fit
The CMMG MK4 .223 Remington AR Lower works with the PSA 18" Rifle Length .223 Wylde 1:7 SS 15". 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.
CMMG MK4 .223 Remington AR vs PSA 18" Rifle Length .223: specs and prices
| CMMG MK4 .223 Remington AR | PSA 18" Rifle Length .223 | |
|---|---|---|
| Best price | $100.02 at Classic Firearms | $379.99 at Palmetto State Armory |
| Stores | 3 of 7 in stock | 1 of 1 in stock |
| Assembly | Stripped | Complete |
| Platform | AR-15 | AR-15 |
| Caliber | 5.56 NATO | .223 Wylde |
| Finish | Cerakote | n/a |
| Color | Black | n/a |
| Gas System Length | n/a | Rifle |
| Length | n/a | 18 |
Both for $480.01 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
- CMMG MK4 .223 Remington AR Lower: lowest $94.69 on Jul 15, highest $126.99 on Jul 11 over the last 90 days.
- PSA 18" Rifle Length .223 Wylde 1:7 SS: lowest $379.99 on Jul 14, highest $379.99 on Jul 14 over the last 90 days.