Does the CMMG MK4 .223 Remington AR Lower work with the CMMG MK4/ Forward Assist Armor?
Lower Receiver
CMMG MK4 .223 Remington AR Lower
from $100.02
Upper Receiver
CMMG MK4/ Forward Assist Armor
from $115.27
CMMG lower and CMMG upper compatibility
Yes, they fit
The CMMG MK4 .223 Remington AR Lower works with the CMMG MK4/ Forward Assist Armor. 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 CMMG MK4/ Forward Assist Armor: specs and prices
| CMMG MK4 .223 Remington AR | CMMG MK4/ Forward Assist | |
|---|---|---|
| Best price | $100.02 at Classic Firearms | $115.27 at BattleHawk Armory |
| Stores | 3 of 7 in stock | 0 of 2 in stock |
| Assembly | Stripped | Stripped |
| Platform | AR-15 | AR-15 |
| Caliber | 5.56 NATO | n/a |
| Finish | Cerakote | n/a |
| Color | Black | n/a |
| Receiver Type | n/a | A4 |
Both for $215.29 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.
- CMMG MK4/ Forward Assist Armor: lowest $115.27 on Jul 5, highest $129.79 on Jul 26 over the last 90 days.