Warning

 

Close
Confirm Action

Are you sure you wish to do this?

Cancel Confirm
6914 Online
bravocompany bravocompany bravocompany
brownells brownells
tnvc tnvc tnvc
AR15.COM
bravocompany
Login / Register
bravocompany bravocompany bravocompany
brownells brownells
tnvc tnvc tnvc
geissele
silencerShop
aim
GS
magpul
Guns
Holosun
midwest
brownells
fightlite
vortex
primaryArms
skd
palmetto
OSIGHT
JRH
cz
RS
colt
springfield
bravocompany
6914 Online
geissele
fightlite
brownells
primaryArms
GS
OSIGHT
magpul
midwest
colt
RS
palmetto
springfield
silencerShop
JRH
bravocompany
Guns
cz
Holosun
vortex
aim
skd
Sponsor News TNVC's Labor Day Sale still ongoing - Site Wide Savings - Don't miss out!
12/7/2025 1:41:14 PM EDT
Are these chrome-lined barrels? Any idea on the twist rate?

https://aimsurplus.com/products/used-leo-trade-in-windham-weaponry-145in-pw-m4-223556-ar15-complete-upper-receiver-w-quad-rail
12/7/2025 2:22:57 PM EDT
[#1]
chrome lined 1/9 twist
I am the Ammo Pimp
twitter @theammopimp
facebook.com/aimsurplus
instagram.com/aimsurplus
blog.aimsurplus.com/

Sign up to continue the discussion

Create a free account to share your thoughts, follow topics, and connect with the AR15.COM community.

Register to Reply

Already a member? Sign In

THBRD
RS
brownells
ar15com
Pro2A
fightlite
ar15com
colt
silencerShop
SAS
LAPG
springfield
ar15com
Faxxon
primaryArms
LAPG
palmetto
blackhills
bravocompany
geissele
cmmg
gray