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1/22/2020 12:12:56 PM
Posted: 10/10/2007 4:32:57 PM EST
I've read the primer and am wondering what is defined as a flash supressor.
I'd like to use either a Phantom, or 5.5 flash hider (pinned if necessary) on a 16" barrel but am confused about the difference between a flash hider and a flash supressor.

Does this even apply since the magazine can not be detachable?

(a) Notwithstanding Section 12276, "assault weapon" shall also mean any of the following:

(1) A semiautomatic, centerfire rifle that has the capacity to accept a detachable magazine and any one of the following:

(A) A pistol grip that protrudes conspicuously beneath the action of the weapon.
(B) A thumbhole stock.
(C) A folding or telescoping stock.
(D) A grenade launcher or flare launcher.
(E) A flash suppressor.
(F) A forward pistol grip.

(2) A semiautomatic, centerfire rifle that has a fixed magazine with the capacity to accept more than 10 rounds.

(3) A semiautomatic, centerfire rifle that has an overall length of less than 30 inches.
Link Posted: 10/12/2007 5:00:22 AM EST
If the magazine is not detachable, it doesn't apply.
Link Posted: 10/12/2007 10:32:51 AM EST
Several notes:

(1) As above poster stated, irrelevant on a rifle build that has a non-detachable magazine (those requiring use of tool for removal as per 11 CCR 5469(a)). It's also irrelevant on non-semiauto and/or rimfire setups.

(2) "Flash hider" is just common name for "flash suppressor": same thing, easier to type.

(3) Formal definition of 'flash suppressor' is defined in regulations:

11 CCR 5469(b) "flash suppressor" means any device designed,
intended, or that functions to perceptibly reduce or redirect muzzle flash from the
shooter's field of vision.

This is still undergoing litigation as part of Hunt v. Lockyer (now renamed Hunt v. Brown) -- so the range/extent of coverage of above definition could be broad or constrained later. We dunno.

In theory, a muzzle brake or fake device that was specifically sold as other than a flash hider (but which did reduce perceptible flash levels from shooter's view) could be regarded as a flash hider even though sold as just another muzzle device.

However DOJ FD has given indications they go by what the device is sold as (i.e. labelling). I'm not sure it's wise to rely on that.

There are dedicated muzzle brakes out there that have been 'tried & true' during the Federal AW ban and BATF approved. While that is in theory irrelevant to CA law, it should (practically speaking) remove any issues from such brakes.

(4) Flash hider effectiveness can vary widely as to ammo type, and generally isn't too useful for those doing just day shooting. Even with night shooting, if right milspec ammo/powder isn't used, effectiveness isn't that good or useful.

(5) Key disadvantage of a flash hider on an off-list fixed-magazine build is the rifle can't readily be reconfigured to use detachable magazines w/either a MonsterMan grip or U15 stock (for a 'featureless' build).

Bill Wiese
San Jose CA

Link Posted: 10/12/2007 12:59:31 PM EST
Thank you both.

Interesting point you have on #5 bwise.

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