Does the Griffin Armament MK2 Stripped Flat Dark work with the Daniel Defense MK18 RIS III 10.3" 5.56?

Lower Receiver
Griffin Armament MK2 Stripped Flat Dark Earth
from $209.00

Upper Receiver
Daniel Defense MK18 RIS III 10.3" 5.56 NATO
from $1454.00
Griffin Armament lower and Daniel Defense upper compatibility
Yes, they fit
The Griffin Armament MK2 Stripped Flat Dark Earth works with the Daniel Defense MK18 RIS III 10.3" 5.56 NATO. Our compatibility rules found no conflict between them.
This exact setup is in a real GunPartPicker build.
Counted from real GunPartPicker builds: parts lists people put together while planning to buy.
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.
How often builders pair the Griffin Armament lower and Daniel Defense upper
Backed by tens of thousands of qualified builds that have both a lower and an upper.
Share of builds with the Griffin Armament MK2 Stripped Flat Dark and any upper
- This pairDaniel Defense MK18 RIS III 10.3" 5.56 NATO2%
Share of builds with the Daniel Defense MK18 RIS III 10.3" 5.56 and any lower
- This pairGriffin Armament MK2 Stripped Flat Dark Earth14%
Griffin Armament MK2 Stripped Flat Dark
- Of lower picks
- 0.4%
- Median paid
- $209
Daniel Defense MK18 RIS III 10.3" 5.56
- Of upper picks
- 0%
- Median paid
- $1412
How we count ⌄
These shares come from GunPartPicker's build data: real parts lists people put together while planning a purchase, not sales or surveys. A build counts a part only when it is the final pick for its slot, so parts that were swapped out never count. Fit never comes from these numbers; it comes from our compatibility rules alone.
Frequently built with the Griffin Armament lower and Daniel Defense upper
The part builders pick most often in each slot alongside these two, checked against both. Parts that conflict are left out.
Griffin Armament MK2 Stripped vs Daniel Defense MK18 RIS III: specs and prices
| Griffin Armament MK2 | Daniel Defense MK18 RIS III | |
|---|---|---|
| Best price | $209.00 at MidwayUSA | $1454.00 at BattleHawk Armory |
| Stores | 3 of 3 in stock | 4 of 5 in stock |
| Assembly | Stripped | Complete |
| Platform | AR-15 | AR-15 |
| Color | FDE | n/a |
| Caliber | n/a | 5.56 NATO |
| Length | n/a | 10.3 |
Both for $1663.00 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
- Griffin Armament MK2 Stripped Flat Dark: lowest $208.95 on Jul 5, highest $219.95 on Jul 24 over the last 90 days.
- Daniel Defense MK18 RIS III 10.3" 5.56: lowest $1259.99 on Jul 21, highest $1527.00 on Sep 24 over the last 90 days.
Upper Receivers frequently paired with the Griffin Armament MK2 Stripped Flat Dark
Most picked next to it in real builds. Only parts our rules say fit the Griffin Armament MK2 Stripped Flat Dark are listed.
Lower Receivers frequently paired with the Daniel Defense MK18 RIS III 10.3" 5.56
Most picked next to it in real builds. Only parts our rules say fit the Daniel Defense MK18 RIS III 10.3" 5.56 are listed.



















