Does the LMT MARS-LS work with the Geissele Automatics 10.3 Super Duty Nano?

Lower Receiver
LMT MARS-LS
from $816.99

Upper Receiver
Geissele Automatics 10.3 Super Duty Nano Ddc
from $1274.99
Lewis Machine & Tool lower and Geissele upper compatibility
Yes, they fit
The LMT MARS-LS works with the Geissele Automatics 10.3 Super Duty Nano Ddc. 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 Lewis Machine & Tool lower and Geissele upper
Backed by tens of thousands of qualified builds that have both a lower and an upper.
Share of builds with the LMT MARS-LS and any upper
- This pairGeissele Automatics 10.3 Super Duty Nano Ddc4%
Share of builds with the Geissele Automatics 10.3 Super Duty Nano and any lower
- This pairLMT MARS-LS20%
- Knights Armament Sr-25 7.62mmDoes not fit20%
LMT MARS-LS
- Of lower picks
- 0.1%
- Median paid
- $817
Geissele Automatics 10.3 Super Duty Nano
- Of upper picks
- 0%
- Median paid
- n/a
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 Lewis Machine & Tool lower and Geissele upper
The part builders pick most often in each slot alongside these two, checked against both. Parts that conflict are left out.
Charging Handle

Aero Precision Breach Small Levers
Fits both
Bolt Carrier Group
Stock & Brace
Suppressor
Handguard

Troy Industries Freefloat M-LOK Rail
Fits both
LMT MARS-LS vs Geissele Automatics 10.3 Super: specs and prices
| LMT MARS-LS | Geissele Automatics 10.3 | |
|---|---|---|
| Best price | $969.30 at Brownells | $1274.99 at Brownells |
| Stores | 2 of 3 in stock | 0 of 1 in stock |
| Assembly | Complete | Complete |
| Platform | AR-15 | AR-15 |
| Caliber | Multi | 5.56 NATO |
| Trigger Pin | .154 | n/a |
| Finish | Hardcoat Anodized | n/a |
| Length | n/a | 10.3 |
Both for $2244.29 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
- LMT MARS-LS: lowest $816.99 on Jul 5, highest $969.99 on Oct 2 over the last 90 days.
- Geissele Automatics 10.3 Super Duty Nano: lowest $1274.99 on Aug 30, highest $1274.99 on Aug 30 over the last 90 days.
Upper Receivers frequently paired with the LMT MARS-LS
Most picked next to it in real builds. Only parts our rules say fit the LMT MARS-LS are listed.
Lower Receivers frequently paired with the Geissele Automatics 10.3 Super Duty Nano
Most picked next to it in real builds. Only parts our rules say fit the Geissele Automatics 10.3 Super Duty Nano are listed.















