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Length of a CMMG 6.5" 22 LR barrel past the front of the upper receiver
2/1/2012 2:21:44 PM
I am going to put a 6.5" barrel on one of my 22 ARs. Can anyone tell me how far it sticks out past the front of the receiver? I want to see if I can match the forend to the barrel + muzzle brake length.
2/1/2012 2:56:26 PM
5" 
ETA: I think
ETA: I think
2/1/2012 3:06:03 PM
This thread may help you:
http://www.ar15.com/forums/t_3_15/556791_Dedicated_22_hand_guard_with_SBR_and_Pistol_barrel_length_for_the_look_you_want.html
eta: third post from the bottom on that page. 6.5" barrel will be 5.5" from the front of the upper to the end of the threads
http://www.ar15.com/forums/t_3_15/556791_Dedicated_22_hand_guard_with_SBR_and_Pistol_barrel_length_for_the_look_you_want.html
eta: third post from the bottom on that page. 6.5" barrel will be 5.5" from the front of the upper to the end of the threads
2/1/2012 3:59:10 PM
Originally Posted By castiel:
This thread may help you:
http://www.ar15.com/forums/t_3_15/556791_Dedicated_22_hand_guard_with_SBR_and_Pistol_barrel_length_for_the_look_you_want.html
eta: third post from the bottom on that page. 6.5" barrel will be 5.5" from the front of the upper to the end of the threads
This thread may help you:
http://www.ar15.com/forums/t_3_15/556791_Dedicated_22_hand_guard_with_SBR_and_Pistol_barrel_length_for_the_look_you_want.html
eta: third post from the bottom on that page. 6.5" barrel will be 5.5" from the front of the upper to the end of the threads
Hum. I do remember Spikes offering a 16" M4 profile barrel that had the same length as a 14.5" barrel (i.e. 1.5" fit on the inside of the receiver. 16-1.5=14.5) Both guns use the same bolt type too. So I am going to go with 5".
Of course I could be wrong. 2/1/2012 4:22:30 PM
Originally Posted By castiel:
This thread may help you:
http://www.ar15.com/forums/t_3_15/556791_Dedicated_22_hand_guard_with_SBR_and_Pistol_barrel_length_for_the_look_you_want.html
eta: third post from the bottom on that page. 6.5" barrel will be 5.5" from the front of the upper to the end of the threads
This thread may help you:
http://www.ar15.com/forums/t_3_15/556791_Dedicated_22_hand_guard_with_SBR_and_Pistol_barrel_length_for_the_look_you_want.html
eta: third post from the bottom on that page. 6.5" barrel will be 5.5" from the front of the upper to the end of the threads
So if I have it correct, at 5.5 " to the end of the threads and .4" of threads, that gives me about 5.1" of barrel. With YHM listing a carbine forend at 7.2" that should give me approximately 2" of muzzle device under the forend.
2/1/2012 4:57:43 PM
Originally Posted By squirrelslayer1:
Hum. I do remember Spikes offering a 16" M4 profile barrel that had the same length as a 14.5" barrel (i.e. 1.5" fit on the inside of the receiver. 16-1.5=14.5) Both guns use the same bolt type too. So I am going to go with 5". Of course I could be wrong.
Originally Posted By castiel:
This thread may help you:
http://www.ar15.com/forums/t_3_15/556791_Dedicated_22_hand_guard_with_SBR_and_Pistol_barrel_length_for_the_look_you_want.html
eta: third post from the bottom on that page. 6.5" barrel will be 5.5" from the front of the upper to the end of the threads
This thread may help you:
http://www.ar15.com/forums/t_3_15/556791_Dedicated_22_hand_guard_with_SBR_and_Pistol_barrel_length_for_the_look_you_want.html
eta: third post from the bottom on that page. 6.5" barrel will be 5.5" from the front of the upper to the end of the threads
Hum. I do remember Spikes offering a 16" M4 profile barrel that had the same length as a 14.5" barrel (i.e. 1.5" fit on the inside of the receiver. 16-1.5=14.5) Both guns use the same bolt type too. So I am going to go with 5".
Of course I could be wrong. Kinda hard to argue with a picture of a ruler held up against the receiver
You were probably thinking of the end of the muzzle device instead of the end of the threads.2/1/2012 5:47:46 PM
Originally Posted By squirrelslayer1:
Hum. I do remember Spikes offering a 16" M4 profile barrel that had the same length as a 14.5" barrel (i.e. 1.5" fit on the inside of the receiver. 16-1.5=14.5) Both guns use the same bolt type too. So I am going to go with 5". Of course I could be wrong.
Originally Posted By castiel:
This thread may help you:
http://www.ar15.com/forums/t_3_15/556791_Dedicated_22_hand_guard_with_SBR_and_Pistol_barrel_length_for_the_look_you_want.html
eta: third post from the bottom on that page. 6.5" barrel will be 5.5" from the front of the upper to the end of the threads
This thread may help you:
http://www.ar15.com/forums/t_3_15/556791_Dedicated_22_hand_guard_with_SBR_and_Pistol_barrel_length_for_the_look_you_want.html
eta: third post from the bottom on that page. 6.5" barrel will be 5.5" from the front of the upper to the end of the threads
Hum. I do remember Spikes offering a 16" M4 profile barrel that had the same length as a 14.5" barrel (i.e. 1.5" fit on the inside of the receiver. 16-1.5=14.5) Both guns use the same bolt type too. So I am going to go with 5".
Of course I could be wrong. That's part of the reason I was asking. At least one of the 22 conversion manufacturers has a setup where the conversion puts the barrel back an inch and a half or so. I guess it's not a huge issue. I should have the 6.5 barrel soon, and I'll see how it fits.
2/1/2012 8:03:29 PM
It's roughly 5". About 1.5" is inside the receiver. Now if you want an exact measurement, you might contact CMMG.
Dave N
Dave N
2/13/2012 3:05:16 PM
Originally Posted By shadowcop:
It's roughly 5". About 1.5" is inside the receiver. Now if you want an exact measurement, you might contact CMMG.
Dave N
It's roughly 5". About 1.5" is inside the receiver. Now if you want an exact measurement, you might contact CMMG.
Dave N
I've got the barrel now. It appears to be almost exactly 5". I've got to wait a couple of weeks before I get the muzzle device and can assemble it, but it should work pretty well.
