Does the Colt M4 Commando 5.56mm Semi-Auto work with the Geissele Automatics Reliability?
Lower Receiver
Colt M4 Commando 5.56mm Semi-Auto
from $449.99
Bolt Carrier Group
Geissele Automatics Reliability Enhancement KIT H3
from $455.00
Colt lower and Geissele bolt carrier group compatibility
Yes, they fit
The Colt M4 Commando 5.56mm Semi-Auto works with the Geissele Automatics Reliability Enhancement KIT. 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.
Colt M4 Commando 5.56mm vs Geissele Automatics: specs and prices
| Colt M4 Commando 5.56mm | Geissele Automatics | |
|---|---|---|
| Best price | $449.99 at Palmetto State Armory | $455.00 at BattleHawk Armory |
| Stores | 0 of 1 in stock | 0 of 4 in stock |
| Assembly | Complete | n/a |
| Platform | AR-15 | n/a |
| Caliber | 5.56 NATO | n/a |
| Cartridge | n/a | 5.56 NATO |
| Style | n/a | M16 Bolt Carrier |
| Finish | n/a | Black |
Both for $904.99 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.
- Geissele Automatics Reliability: lowest $444.60 on Jul 5, highest $494.00 on Jul 20 over the last 90 days.