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#1725508 - 10/08/07 07:24 PM Fire lapping a 22lr.
Centex Bill Offline

Registered: 12/13/05
Posts: 183
I was looking through the Midway catalog and saw that David Tubb has a firelapping kit for 22lr. I think it has progressively finer grit to polish the bore? This kit is about $30.

Is fire lapping advisable in a 22lr. I have a Marlin 39a microgrove barrel and will be getting a CZ452 American.

What do you fellows think????

Centex Bill

#1725511 - 10/08/07 07:25 PM Re: Fire lapping a 22lr. [Re: Centex Bill]
VAnimrod Offline
Campfire Oracle

Registered: 04/21/04
Posts: 61130
Loc: gone
Just shoot it.

The 39A and the 452 are about as accurate as they will ever get, if you feed them what they like.

The lapping kit, will be a waste of money better spent on ammo.

#1725524 - 10/08/07 07:31 PM Re: Fire lapping a 22lr. [Re: VAnimrod]
Stillwater Offline
Campfire Regular

Registered: 05/24/05
Posts: 261
Loc: In the far West
It's just my opinion, but I think a rifle barrel should be lapped, only if there is a compelling reason to do it...!


#1725553 - 10/08/07 07:40 PM Re: Fire lapping a 22lr. [Re: Stillwater]
Gene L Offline
Campfire Guide

Registered: 06/14/06
Posts: 4773
Loc: Georgia
I ain't lapping no .22 rifle. I've got some precision target .22s, and I don't see any reason to mess with them.

Plus, in my experience, and I think in the experience in others, a .22 LR shoots better after 100 or so rounds, up to 500.

Every time I've cleaned a match rifle, I've lost accuracy for a while.
Not many problems you can't fix
With a 1911 and a 30-06

#1725568 - 10/08/07 07:45 PM Re: Fire lapping a 22lr. [Re: Stillwater]
HawkI Offline
Campfire Kahuna

Registered: 06/10/07
Posts: 15710
Loc: The Hawkeye State
Yes, firelapping works but you can damage any gun by not doing it right! It's advised that you do not lap the bore larger in the grooves than your bullet diameter. This means you must have the proper tools and ability to slug your barrel end to end.

I would just shoot it!
" 'Hey look at me!' Who gives a schit about YOU. There's ten other guys out there".
Dick Butkus

#1726983 - 10/09/07 01:06 PM Re: Fire lapping a 22lr. [Re: Centex Bill]
Chinook Offline
Campfire Regular

Registered: 08/31/05
Posts: 754
Loc: Sonoma, California
The concept seems questionable for a quality .22 LR barrel that already shoots.

I'd pass.
"You cannot miss fast enough to win."-- Ross Seyfried

#1740981 - 10/16/07 10:45 AM Re: Fire lapping a 22lr. [Re: Centex Bill]
1minute Offline
Campfire Kahuna

Registered: 01/28/01
Posts: 16325
Loc: Burns/Hines, Oregon, USA
A large proportion of the accuracy issues with 22 lr's involves finding one or two brands of ammo that work well. One my do no better than hitting baseballs at 50 yds with one brand and be driving tacks with another. Spring for a box of every brand one can find and go shoot some paper. Give the rejects to someone who doesn't care.

I would not dink with a barrel until one has looked at ammo and/or a potential headspace issue. 1Minute

#1741181 - 10/16/07 12:38 PM Re: Fire lapping a 22lr. [Re: 1minute]
260Remguy Offline
Campfire Kahuna

Registered: 12/18/02
Posts: 16272
Loc: NE

Even if Dave Tubbs sells this kit, I can't imagine ever fire lapping any barrel. If a factory rimfire barrel is so rough that it needs to be lapped, it probably needs to be replaced.

Whenever someone brings me a .22 LR rifle that won't shoot, I check the base and ring screws. Then I run a patch with Hoppe's #9 through the bore, if for no other reason than to establish a baseline performance level. Then I shoot a variety of ammo, usually starting with RWS Target Rifle or Rifle Match. On Ruger 10/22s, I always check to make sure that the barrel attachment is tight.


#1741422 - 10/16/07 02:43 PM Re: Fire lapping a 22lr. [Re: 260Remguy]
DMB Offline
Campfire 'Bwana

Registered: 07/10/04
Posts: 13436
Loc: Grayling, MI
For barrels that aren't lapped by the maker, hand lapping works.
I'd never consider fire lapping however.
Don Buckbee

NRA Benefactor Member
NSSA Life Member

#1741606 - 10/16/07 04:14 PM Re: Fire lapping a 22lr. [Re: DMB]
shreck Offline
Campfire Kahuna

Registered: 06/01/04
Posts: 16635
Loc: littoral North Carolina
I have never heard of fire lapping a small bore.
Would this work on an older rifle?
A government is the most dangerous threat to manís rights: it holds a legal monopoly on the use of physical force against legally disarmed victims.

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