Does the Smith & Wesson M&P15 Lower work with the Rock River Arms Completed Tactical?
Lower Receiver
Smith & Wesson M&P15 Lower 5.56x45mm/.223 Remington
from $269.99
Upper Receiver
Rock River Arms Completed Tactical Carbine .22 Long Rifle 16
from $469.99
Smith & Wesson lower and Rock River Arms upper compatibility
Yes, they fit
The Smith & Wesson M&P15 Lower 5.56x45mm/.223 works with the Rock River Arms Completed Tactical Carbine .22. 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.
Smith & Wesson M&P15 Lower vs Rock River Arms Completed: specs and prices
| Smith & Wesson M&P15 Lower | Rock River Arms Completed | |
|---|---|---|
| Best price | $339.20 at Classic Firearms | $469.99 at Optics Planet |
| Stores | 4 of 6 in stock | 0 of 1 in stock |
| Assembly | Complete | Complete |
| Platform | AR-15 | AR-15 |
| Caliber | 5.56 NATO | .22 LR |
| Color | Black | n/a |
| Receiver Type | n/a | A2 |
| Length | n/a | 16 |
Both for $809.19 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
- Smith & Wesson M&P15 Lower: lowest $269.99 on Jul 11, highest $420.99 on Sep 26 over the last 90 days.
- Rock River Arms Completed Tactical: lowest $469.99 on Jul 5, highest $469.99 on Jul 5 over the last 90 days.