May 04, 2019 Answer: The Fierce rifle barrels are hand-lapped match grade stainless steel barrels. The hand lapping process starts the break in process. Following is the recommended barrel break-in procedure to ensure reliable and consistent accuracy from your new Fierce rifle: Your break in will require shooting one box (20 rounds) of ammo.
- Product Family #: 1006412014
- Product #: 646612
- Wheeler Engineering #: 299849
- UPC #: 661120994893
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Product Overview
An affordable means to polish a rifle bore to remove factory machining marks, produce less fouling and enhance accuracy. Traditional hand-lapping is very labor intensive, but this kit allows even the amateur to embed bullets with abrasive and fire them through the barrel, saving the time needed for the normal lapping processes. This bore lapping kit consists of three 1 oz jars of high-quality silicon carbide abrasive pastes, two steel plates and full instructions. Can be used with lead or jacketed bullets.
Kit Includes:
- Two Steel Application Plates
- 1 oz 220 Cutting Grit
- 1 oz 320 Smoothing Grit
- 1 oz 600 Polishing Grit
Notes:
- A maximum of 20 shots can be used for the entire process.
- It is recommended that no more than five shots be used with the 220 grit and five with the 320 grit, leaving a maximum of 10 shots with the 600 grit.
- Brass used with kit may be reused after tumbling and cleaning inside of case neck with a brush. Brass should be cleaned after each shot, as usual.
Specifications
Delivery Information
Must Ship to FFL Dealer | Yes |
Shipping Weight | {{selector.shippingWeightDisplay()}} |
Ships Alone | Yes |
Oversized | Yes |
DOT- Regulated | Yes |
Carrier Restrictions |
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HazMat Product | Yes |
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Update Your Browser Now!NOTE: Prices, specifications and availability are subject to change without notice. We reserve the right to correct typographic, photographic and/or descriptive errors.This is a discussion on Barrel break in. within the Ruger Bolt Action forums, part of the Rifle & Shotgun Forum category; I just bought a Ruger american predator 6.5 cm. I was lucky enough to have parents and grand parents giving me 'hand me down rifles'. ...
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April 14th, 2018, 06:09 PM | #1 |
Location: Artesia NM | Barrel break in. I just bought a Ruger american predator 6.5 cm. I was lucky enough to have parents and grand parents giving me 'hand me down rifles'. My left handed Ruger m77 mark 2 .270 Winchester was my first new rifle when I first got married. Not much thought was given to barrel break in, just shot factory Remington core locked until enough brass had been collected for reloading. I loaded Nosler 150gr. ballistic tips and same weight Nosler Partitions with a medium load of IMR 4831. This gave good accuracy and killed what ever I hunted. I have been wondering how many rounds until I can figure that my new barrel is broken in and ready to start working on a load. I have 80 rounds of Remington 140gr. core locked that has produced two 5/8' groups from a make shift bench. I have only shot 25 rounds through this rifle so far. I would like to be shure what reload I will be shooting before I send for my Leupold CDS turret etched. Main thing is how many rounds until a barrel is broken in. |
April 14th, 2018, 06:30 PM | #2 |
Location: That way > | There was post recently regarding this isssue. Some responses similar to the way I learned to “break in” the barrel. Shoot one, clean etc... Iowegan indicated the process was un-necessary. It is worth reading. Use the search bar to see if you can find it with “barrel break in” in the field. If your new gun shoots well where you are with twenty-five rounds through the barrel I would not worry about it. Keep it clean and shoot the gun. You’re good to go. |
April 14th, 2018, 06:46 PM | #3 |
Location: Artesia NM | OK my plan is to shoot what ammo I have using a vortex program counting clicks in MOA on the turret the scope comes with. I have some hornady 143gr, eldx and if they shoot as accurate with hand loads that is what I am going to have the turret etched to. Thanks for the feed back |
April 15th, 2018, 07:52 AM | #4 |
Location: West of the Rockies | This topic is as controversial as tomato-tomato; however, given my experience with my RAR stainless barrel heating issue, I would at least make sure the barrel is cool in between the first ten shots. My unscientific regimen is to swab/clean and cool barrel between shots for the first ten, and then go nuts on the second ten. |
April 15th, 2018, 08:59 AM | #5 |
Retired Moderator & Gunsmith Location: CB, IA | I find it very interesting about how many different break-in regimens there are .... each claiming to be the best. The funny thing is .... no one can prove any one method is better than no method at all. Yes, when we finish wasting a bunch of ammo, our rifles shoot nice groups but likely they would shoot groups just as nice had they not even gone through a break-in regimen. The current high power rifle record is a .0077' group shot by Mike Stinnett in 2013. The previous record was held for more than 40 years by Mac McMillan in a gun built by Mac and his dad Gale McMillan. Gale McMillan was a famous world class marksman that held may records and was also a famous barrel maker. That record was .009' and was fired from a custom built rifle that was never subject to a break-in regimen. Read Gale McMillan's post in this link: Barrel Break in Procedure- Gale McMillan | Sniper's Hide Forum |
April 15th, 2018, 10:09 AM | #6 |
Location: MN | I don’t know if it necessary, but I follow a break-in process for my rifles. I figure it can’t hurt, so why not. I shoot 1 and clean. Repeat for 5 rounds. Shoot 3 and clean. Shoot 5 and clean. Finally shoot 10 clean, and I am done. I guess it doesn’t sound like it is needed, but I have had good results with my Predator 6.5 CM. Congratulations on your new rifle. With a 20 moa scope base, you should be able to ring steel at 1,000 yards. |
April 15th, 2018, 02:05 PM | #7 |
Location: TN | When the subject of barrel break-in comes up, I always post the Gale McMillan article. Iowegan has it above, well worth reading. |
April 15th, 2018, 03:16 PM | #8 |
Location: Arizona | The only time I've 'broken in' a barrel was when there was a break in procedure included by the manufacturer. Sent from my SM-N910V using Tapatalk |
April 15th, 2018, 06:09 PM | #9 |
Location: Artesia NM | I took it out today and shot some 200 yard groups between 10 to 15 mph side winds. I waited in between gusts. Im impressed with this rifle's accuracy. I did this from a make shift bench and small bags. 1' and under groups and 2 groups at 100 yards with all 3 touching. Playing with the Leupold cds dial I was pretty high when I got out to 300 yards. LRBC on the Vortex page was used for calculations. I had to guess on the velocity so I used the 6.5x55 factory ammo info. What is concerinig is my ejected shells are showing some pretty flat primers and already showing some copper fowling in the barrel. Speak to me about the pressure stuff and If anyone has chronograph these rounds from thier RAP I would like to see the results. |
April 15th, 2018, 08:22 PM | #10 |
Retired Moderator & Gunsmith Location: CB, IA | Gene, Pressure signs, especially primers can be very misleading. Flattened primers do indicate pressure but not necessarily 'over pressure'. Factory ammo is loaded to SAMMI specs and like most rifle ammo, it will be very close to the maximum allowable chamber pressure. Why? When cartridges are developed and tested, they are loaded to satisfy customers. That typically means the highest velocity at the optimum accuracy and that usually means the highest allowable chamber pressure. The exceptions are for factory reduced power loads such as Remington's 'Managed Recoil' loads. If ammo isn't accurate or doesn't develop enough power, the customer will buy a different brand. So .... if you shoot American made ammo, in an American made rifle, you can trust both the gun and the ammo are within SAAMI pressure standards. If you reload, you can emulate Remington's Managed Recoil loads that produce lower velocities and lower chamber pressure but are still accurate. A 6.6mm Creedmoor is SAAMI rated at 63,000 psi max chamber pressure. Primers typically flatten at about 60k psi so I would say your indication is quite normal. |
April 16th, 2018, 04:11 PM | #11 |
Location: Artesia NM | Thank you sir. |
April 17th, 2018, 06:09 AM | #12 | |
Location: Bucks County, PA |
I've tried different approaches on Remington, Winchester, Ruger, Mossberg and Savage barrels, rimfire and centerfire. And I've tracked results carefully on most. My conclusion is that good barrels are good out of the box, and bad barrels are rarely ever good no matter what you do. It also seems that most barrels hit stride between 50rds and 100rds, with a couple cleaning sessions. I usually do my first couple trips with Trail Boss loads to reduce the wear and tear, and get a good number of low pain and wear shots down range. Memorable examples, My M700 CDL .35 Whelen, a Ruger Hawkeye Predator/.223, a Mossberg Patriot/7-08, and recently a Tikka T3x/7-08. Every one of which was top notch right out of the box. A couple other rifles that went away over the last couple years, never shot for poo, (the reason they went away), no matter what I did. Ya never know. |
April 19th, 2018, 07:37 AM | #13 | |
Location: SouthWest |
If you are seeing copper fouling in the barrel and signs of pressure then you should remove the copper fouling completely and then shoot again to ensure that’s not an issue. Copper build up will indeed increase pressures in the barrel but usually you would see accuracy fall off at the same time. I’ve broken in my barrels since my first centerfire rifle. My friends father had served as a scout sniper in Vietnam. He said they were taught to break in their rifles and he had done it ever since. He taught my friend and I how to do it and it’s stuck ever since. I have had custom barrels in 280AI and 300WM that the manufacturer stated it should be broke in. Even after they were hand lapped by them. My Armalite AR-10 also had barrel break in instructions. People can say it’s not necessary in this day and age and that’s fine. The way I look at it is by me breaking in my barrel I am not hurting the accuracy by doing it. If it in fact does help it, great. If not, oh well I only wasted a few patches and solvent and a few minutes of my time at the range. |
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