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5/27/2005 3:46:33 PM EDT
NEW GUY... What are the collars for on the SPR's? It looks like it is a component of the SPR brake. Those brakes look sweet, but from my reading I guess they are inferior to most others. ADCO sells them and that is what I'm referencing the question to. Thanks...
5/27/2005 3:55:54 PM EDT
[#1]
It is designed to protect special threads on the barrel when a silencer isn't being used.  They make reproduction collars to give a rifle an SPR look to it.  ADCO sells them.

Couch-Commando
5/27/2005 4:00:36 PM EDT
[#2]

Quoted:
NEW GUY... What are the collars for on the SPR's? It looks like it is a component of the SPR brake. Those brakes look sweet, but from my reading I guess they are inferior to most others. ADCO sells them and that is what I'm referencing the question to. Thanks...



Actually the collars provide precise alignment of the suppessor. the OPSINC Brake provide the thread protection when the suppersor is not being used. The OPINC Mil brakes work "almost" as well as any other brake. The MSTN QCB brake maybe the exception.
5/27/2005 4:07:08 PM EDT
[#3]

Quoted:

Quoted:
NEW GUY... What are the collars for on the SPR's? It looks like it is a component of the SPR brake. Those brakes look sweet, but from my reading I guess they are inferior to most others. ADCO sells them and that is what I'm referencing the question to. Thanks...



Actually the collars provide precise alignment of the suppessor. the OPSINC Brake provide the thread protection when the suppersor is not being used. The OPINC Mil brakes work "almost" as well as any other brake. The MSTN QCB brake maybe the exception.



oops, I stand corrected!

Couch-Commando
5/27/2005 5:33:42 PM EDT
[#4]

Quoted:
NEW GUY... What are the collars for on the SPR's? It looks like it is a component of the SPR brake. Those brakes look sweet, but from my reading I guess they are inferior to most others. ADCO sells them and that is what I'm referencing the question to. Thanks...



ADCO sells very few real ones and they also sell a nonfunctioning version.  The thread protector doesn't come off and the "brake" isn't really a brake.  It is, as Steve calls it, a muzzle weight.

I've had an ADCO produced "brake" and I have a real Ops Inc brake.  The Ops Inc brake acts as a decent brake.  The ADCO muzzle weight is just that - it produces very little braking action.
5/27/2005 7:03:01 PM EDT
[#5]
Thanks for the help. It looks like Ops Inc does not make the brake anymore. Those rifles do look nice though. What is the difference between the Ops Inc and ADCO's?
5/27/2005 7:41:00 PM EDT
[#6]

Quoted:
What is the difference between the Ops Inc and ADCO's?



The Ops brake has an internal baffle, of sorts, in the forward end.  The ADCO production is solid, with no internal baffle in the forward end.  For anybody interested, I can turn an Ops Inc four port brake into a functional two port brake.  Realize the four port brake costs $115 from Brownells and I gotta get something for my machining time and materials, so they don't come cheap.
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