Phoenix WeaponryXM177 4.5in Moderator
5.56mm / .223 suppressor · 1/2x28 Direct Thread interface · specs and compatibility from the manufacturer
Notable features
- User Serviceable
- Direct Thread
length
4.5″
weight
7.5oz
MSRP
$250
length
4.5″
weight
7.5oz
calibers
5.56
material
Steel
interface
1/2x28 Direct Thread
MSRP
$250
- Overall length
- 4.5″
- Class
- 5.56mm / .223
- n
- 384
- Range
- 2.5″–9.75″
- Median
- 6.1″
- Diameter
- 1″
- Class
- 5.56mm / .223
- n
- 370
- Range
- 0.98″–2.2″
- Median
- 1.6″
- Weight
- 7.5 oz
- Class
- 5.56mm / .223
- n
- 381
- Range
- 1.7 oz–28 oz
- Median
- 13 oz
- Material
- 4130 Steel
- Finish / treatment
- Black Oxide
- Max caliber
- 5.56mm / .223
- Base interface
- 1/2x28 Direct Thread
- Maintenance
- User serviceable
- MSRP
- $250
- Class
- 5.56mm / .223
- n
- 335
- Range
- $199–$1,955
- Median
- $899
Shorter than most 5.56mm / .223 suppressors
Length compared against the 384 5.56mm / .223 suppressors in the catalog that publish one. Quartile basis; a value inside the middle half carries no note.
Narrower than most 5.56mm / .223 suppressors
Diameter compared against the 370 5.56mm / .223 suppressors in the catalog that publish one. Quartile basis; a value inside the middle half carries no note.
Lighter than most 5.56mm / .223 suppressors
Weight compared against the 381 5.56mm / .223 suppressors in the catalog that publish one. Quartile basis; a value inside the middle half carries no note.
Cheaper than most 5.56mm / .223 suppressors
MSRP compared against the 335 5.56mm / .223 suppressors in the catalog that publish one. Quartile basis; a value inside the middle half carries no note.
Prices are manufacturer's suggested retail (MSRP). What you pay may differ.
- Base interface
- 1/2x28 Direct Thread
This suppressor threads straight onto the barrel, so no mount is required. 6 mounts in our catalog are thread adapters that let it run on other barrel threads.
Which ones fit your barrel and host?
Check in the BuilderManufacturer claim
- 1/2-28 thread, 1.0" outside diameter x 4.5" overall length, weight 7.5oz.
- Phoenix Weaponry has designed these with threaded end caps so they can be disassembled for maintenance, whereas the original moderators were welded shut.
- The moderator sleeve unscrews for cleaning the baffles, unlike the originals that were welded closed.
- Precision CNC machined 4130 core, end caps and outer shells. All parts are Coated in Black oxide.
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- When the XM177 was developed, it came with a 4.5-inch Moderator that has a built-in flash hider on the end.
