Does the Knights Armament Company SR-30 IWS .300 work with the CMMG MK4 .300BLK Banshee Upper Group?
Lower Receiver
Knights Armament Company SR-30 IWS .300
from $1007.28
Upper Receiver
CMMG MK4 .300BLK Banshee Upper Group Receiver 12.5in
from $799.99
Knights Armament lower and CMMG upper compatibility
Yes, they fit
The Knights Armament Company SR-30 IWS .300 works with the CMMG MK4 .300BLK Banshee Upper Group Receiver. 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.
Knights Armament Company SR-30 vs CMMG MK4 .300BLK Banshee Upper: specs and prices
| Knights Armament Company | CMMG MK4 .300BLK Banshee | |
|---|---|---|
| Best price | $1007.28 at BattleHawk Armory | $799.99 at Optics Planet |
| Stores | 0 of 3 in stock | 0 of 1 in stock |
| Assembly | Complete | Complete |
| Platform | AR-15 | AR-15 |
| Caliber | 300 Blackout | 300 Blackout |
| Color | Black | n/a |
| Length | n/a | 12.5 |
Both for $1807.27 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
- Knights Armament Company SR-30 IWS .300: lowest $1007.28 on Jul 5, highest $1099.99 on Jul 6 over the last 90 days.
- CMMG MK4 .300BLK Banshee Upper Group: lowest $799.99 on Jul 5, highest $799.99 on Jul 5 over the last 90 days.