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Hand Gun Ammunition Remanufactured Subsonic 5.7x28mm 55gr FMJ image 1
Hand Gun Ammunition Remanufactured Subsonic 5.7x28mm 55gr FMJ image 1

Remanufactured Subsonic 5.7x28mm 55gr FMJ

4.2
13 reviews
Visit Detroit Ammunition Company
Wholesale Item

Description

This subsonic ammunition is intended for suppressed short barrel rifles (SBR). 16” barrel rifles will function differently with subsonic and super sonic ammo. If you are unsure how your rifle will perform please check with the firearm manufacture. (This ammunition is not for pistol or integrally suppressed firearm use)

WARNING: This product can expose you to Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to – www.P65Warnings.ca.gov.

 

Product Information

ManufacturerDETROIT AMMUNITION COMPANY LLC
Grain Weight55Gr
Caliber5.7X28MM
ConditionFactory Remanufactured
Muzzle Velocity1000 Feet Per Second
Bullet StyleFMJBT
Lead FreeNo
Case TypeBrass
PrimerBoxer
CorrosiveNo
ReloadableYes

Reviews

4.2
13 reviews
misha z.23 Jun 2025
Work much better than the “name brand” subs that I have used. These actually cycle and don’t fall apart like the other ones.

Jason H.19 Aug 2024
Some of these were subsonic out of 10” cmmg ps90 barrel. Some just over subsonic. Which defeats the purpose for me

Ben C.13 Aug 2024
My favorite 5.7 subsonic load for the Mk57 Banshee. Wish SB193 was more available. If you are zeroed for supers make sure you know your holds with these subs. @gnomereviews

Pistol E.10 Oct 2023
I found Detroit Ammo's Subsonic 5.7x28mm 55gr FMJ rounds to be decent overall, but I encountered some issues with cycling in my pistol. While the accuracy was acceptable, the rounds occasionally failed to cycle properly, leading to occasional jams. While they performed adequately in other firearms, this issue was disappointing and affected my overall experience.

Precision S.20 Sep 2023
Detroit Ammo's Subsonic 5.7x28mm 55gr FMJ rounds are simply outstanding! The accuracy and reliability of these rounds are unmatched, making them perfect for precision shooting. Whether engaging targets at the range or in a tactical scenario, these rounds deliver consistent results. Detroit Ammo has once again proven why they're a leader in the industry.

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