Does the Colt M4 Commando 5.56mm Semi-Auto work with the Diamondback Firearms?
Colt lower and Diamondback barrel compatibility
Yes, they fit
The Colt M4 Commando 5.56mm Semi-Auto works with the Diamondback Firearms. 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 Colt lower and Diamondback barrel
Backed by thousands of qualified builds that have both a lower and a barrel.
Share of builds with the Colt M4 Commando 5.56mm Semi-Auto and any barrel
- This pairDiamondback Firearms4%
Share of builds with the Diamondback Firearms and any lower
- This pairColt M4 Commando 5.56mm Semi-Auto10%
- Foxtrot Mike Products FM9 Premium 9mmDoes not fit10%
Colt M4 Commando 5.56mm Semi-Auto
- Of lower picks
- 0.7%
- Median paid
- $450
Diamondback Firearms
- Of barrel picks
- 0.2%
- Median paid
- $70
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 Colt lower and Diamondback barrel
The part builders pick most often in each slot alongside these two, checked against both. Parts that conflict are left out.
Trigger
Stock & Brace
Charging Handle
Bolt Carrier Group
Fits both
Upper Receiver
Unconfirmed
Colt M4 Commando 5.56mm vs Diamondback Firearms: specs and prices
| Colt M4 Commando 5.56mm | Diamondback Firearms | |
|---|---|---|
| Best price | $449.99 at Palmetto State Armory | $70.00 at BattleHawk Armory |
| Stores | 0 of 1 in stock | 5 of 5 in stock |
| Assembly | Complete | n/a |
| Platform | AR-15 | n/a |
| Caliber | 5.56 NATO | 5.56 NATO |
| Gas System | n/a | Pistol |
| Length | n/a | 7 |
| Twist | n/a | 1:8 |
| Contour | n/a | HBAR |
Both for $519.99 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
- Colt M4 Commando 5.56mm Semi-Auto: lowest $449.99 on Aug 24, highest $449.99 on Aug 24 over the last 90 days.
- Diamondback Firearms: lowest $78.20 on Jul 5, highest $101.49 on Jul 7 over the last 90 days.
Barrels frequently paired with the Colt M4 Commando 5.56mm Semi-Auto
Most picked next to it in real builds. Only parts our rules say fit the Colt M4 Commando 5.56mm Semi-Auto are listed.
Lower Receivers frequently paired with the Diamondback Firearms
Most picked next to it in real builds. Only parts our rules say fit the Diamondback Firearms are listed.
