Buy MARLIN 336A LEVER-ACTION 30-30 JM stamped MICRO-GROOVE BARREL - BEAUTIFUL! marlin model 70p micro groove barrel Menu. grains as it drops from the blocks, when cast to a BHN of 13). V1-K1 Barrel Length: 20 You have entered an incorrect email address! It provides very uniform bore dimensions and a very smooth bore finish. Buy Gun and Ammo online. In 1969 the .44 Magnum was used to re-introduce the Model 1894. 2008 Marlin Model 70PSS, disassembled, with ruler for scale. very uniform bore dimensions and a very smooth bore finish. The Marlin Model 70P, also known as the Marlin Papoose, is a .22 Long Rifle semi-automatic rifle manufactured by Marlin Firearms. The Model 70P is based on the earlier Marlin Model 70 (currently listed as Model 795) that has a fixed barrel and conventional stock. Since Microgroove barrels are commonly oversized, this means that the cast bullet must also be oversized to effectively "fill up" the grooves. On the older centerfire rifles (i.e. This easy-handling carbine was also made with Microgroove rifling. It speeds up production time and significantly extends the service life of the tooling (thereby holding production costs down). This combination generates right at 2000 fps, and will routinely group 5 shots into an inch at 50 yards from a Microgroove Marlin 336. groove diameter of the barrel, and engage the maximum amount of the driving
I own a 336A with has a micro groove barrel and it is one of the best shooting guns I own with jacketed or cast bullets. barrels, these grooves were generally in the range of .069-.090" wide (usually
Buy Marlin Rifle Parts. . Later (in 1987) the .41 Magnum was added to the Model 1894. . Nick lives in rural NSW, Australia. In this levergun the NEI .410-260-GC (#215F) is the key to success. The cast HP expands violently at 2000 fps. JavaScript is disabled. Q: For years Marlin promoted Micro-Groove rifling as enhancing the accuracy of their rifles. barrels were as follows: Note that by
1987) the .41 Magnum was added to the Model 1894. was listed as .3577", so .358" cast bullets generally shoot just fine. Sales of the cowboy guns have been brisk (especially those chambered for period correct cartridges, like the .45 Colt and .45-70). Learn how your comment data is processed. For .22 caliber
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the big-bore Marlin leverguns (e.g. Also in the 1960s, Marlin introduced the .44 Magnum to the Model 336. And the bottom line is, as generations of American hunters can testify to, Microgroove rifling provides fine accuracy in the hunting fields. His reloading manuals are highly sought after, and his knowledge of the subject is unmatched. In 1969 the .44 Magnum was used to re-introduce the Model 1894. Therefore, in order to get proper engraving (and minimize "slippage" of the cast bullet as it enters the shallow rifling), it is necessary that the bullet completely fill up the groove diameter of the barrel, and engage the maximum amount of the driving surface of the lands. are now fitted with Ballard
Marlin started their own experiments using a tungsten carbide swedge that was made to cut many small grooves simultaneously with a single pass. In this case it had 12 grooves, each of which was .055"
It is designed as a hiker, camper and survival utility rifle, and appeals to the same market as the AR-7. Barrel, .22 Cal. Look down the barrel. Marlin Model 70P "Papoose" Marlin Model 70HC Marlin Model 70PSS Marlin Model 9 Camp Carbine Marlin Model 9N Marlin Model 45 Camp Carbine Marlin Model 922M Marlin Model 995 each land would be "tangentially disposed" (i.e. below 1600 fps, and one groups says that Microgroove barrels shoot cast just
Microgroove rifling is to keep in mind that these barrels tend to have oversized
The Armson Aiming Concept instantly merges the dot and target. Microgroove rifles can shoot cast bullets just fine -- just keep them oversized, GC-ed and hard enough. For a while it was used on big-bore rifles, but then a problem reared its ugly head: the fine rifling does not work well with lead bullets unless you are super careful when reloading with regard to the alloys and velocities you are using. . Factory specs for the .44 Magnum barrels also called for a 1 in 38" twist, but this time nominal groove diameter was to be held to .4315", and a bore diameter of .4230", so oversized cast bullets are once again called for. cutter rifling process took about an hour to complete, and the hook cutter took
75: 0 $10. Disassembly requires loosening a barrel retention nut by hand or with a supplied tool. The results of this testing convinced the Marlin engineers that Microgroove rifling was indeed suitable for high-velocity centerfire rifles and in early 1956 Marlin announced that all of their high-powered rifles would henceforth be equipped with Microgroove rifling. On July 29, 1953, Marlin introduced Microgroove rifling in their .22 rimfire barrels, with 16 grooves that were .014" wide, and nominally .0015" deep. All rights reserved. in .30-30 and .35 Remington are still made with Microgroove barrels, however the
Bullets sized .410" don't shoot well
The Winchester Model 12 Heavy Duck Gun Proved Itself a Shooter, Marlin Ball & Williams Ballards First Model, Marlin Ball & Williams Civil War Military Carbine, Marlin Ball & Williams Dual Ignition System, Marlin Ballard No. Because of the specifications
For the common centerfire calibers, the initial specifications (circa 1956) for Microgroove barrels were as follows: Note that by conventional standards, all of these grooves are fairly shallow. Other examples can be found in the .30-30, .32 Special, .444 Marlin, etc., but you get the point. The .41 Magnums had 12 grooves
Corporation, Marlin's Microgroove Barrels
.005" deep. There's no other markings on the barrel other than the above. 6-1/2 Rigby Off Hand Mid Range Rifle, Marlin Ballard No. Nov 29, 2020. I don't know the throat diameter on this gun, but it shoots it's best with .412" bullets. In the 1950s, Marlin tried bolt-action centerfire rifles like the Model 322 chambered for .222, but the Micro-Groove barrels failed in as few as 500 shots. Initially, these rifles were made with 8-groove Microgroove barrels, with grooves that were .060" wide and .003" deep. I cast these bullets to a BHN of
The Marlin Model 336 is a lever-action rifle and carbine made by Marlin Firearms.Since its introduction in 1948, it has been offered in a number of different calibers and barrel lengths, but is commonly chambered in .30-30 Winchester or .35 Remington, using a 20- or 24-inch barrel.Currently, the model with a 24-inch barrel is only available in .30-30 Winchester. Features a 16.25" micro-groove barrel with an excellent bore. Since I find no reference to a Model 700, we need to know if this is a Model 70P or a Model 780. Both use clip magazines. : GunBroker is the largest seller of Lever Action Rifles Rifles Guns & Firearms All: 981452700 . 7A-1 Extra Grade Long Range Rifle Marlin Ballard No. diameter of .4230", so oversized cast bullets are once again called for. with 8-groove Microgroove barrels, with grooves that were .060" wide and .003"
These will have either a "REP" proof mark on the right side of the barrel or a serial number beginning with "RM". It features an all-business hardwood stock with swivel studs, a 22" Micro-Groove barrel and a 7-shot clip magazine. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. The next year this was changed to a 12-groove barrel, with the other specs remaining the same. Comes with an Armson Retro OEG (occluded eye gunsight) sight. Performance Bullets | Merit
Bullets sized .410" don't shoot well at all, and while .411" bullets group so-so, they have a really annoying habit of throwing flyers wide of the group by a notable margin. One group of folks says that Microgroove rifles
The receiver has an integral .22 tip-off scope mounting rail. Gunz | Henry
Marlin likes to call this process "Ballard rifling" because this was how the barrels were cut on the Ballard target rifles that Marlin produced, which were famous for their accuracy. beveled, presumably to prevent the accumulation of fouling). Sales of the cowboy guns have been brisk (especially those chambered for period correct cartridges, like the .45 Colt and .45-70). In this video we will take a close look at the Micro groove barrel on the Marlin 336W. Micro-Groove rifling is unmistakable. In this levergun the NEI .410-260-GC (#215F) is the key to success. Also in the 1960s, Marlin introduced the .44 Magnum to the Model 336. Another example is found in the .35 Remington shooting the Lyman 358315 GC-HP (which weighs 206 grains as it drops from the blocks, when cast to a BHN of 13). $31.00 $27. Constructed of aircraft grade aluminum alloy with a matte black anodized finish. Marlin helps to feed this nostalgia by referring to these guns as "Ballard rifled". .310" for these guns). Interestingly, in the 1894 series, the.44 Magnum and .357 Magnum guns
This rifle is excellent for hikes, camping, and other . Ruger has now begun limited production of Marlin lever-guns under its ownership, and so far only of the Model 1895 in .45-70 with standard six-groove barrels. Eligible for FREE shipping. In fact, when loaded with bullets that are the appropriate size for the barrel (and cast to a suitable hardness and wearing a GC), these guns are capable of fine accuracy with cast bullets. Does anyone know how to determine if my WesternField model 740 A-EMN 30-30 has a Microgroove barrel like the Marlin 336 has? Features a 16.25" micro-groove barrel with an excellent bore. are now fitted with Ballard rifled barrels (both blued and stainless guns), as are the 1894 and 1895 Cowboy models. as conventional rifling. Marlin Factory Pre 1996 10 Round 22LR Nickel Magazine. the on-going, nagging (and inaccurate) rumors of poor accuracy from Microgroove
Interestingly, in the 1894 series, the.44 Magnum and .357 Magnum guns are Ballard rifled, but the .32-20 1894CL and .41 Magnum 1894 FG are both fitted with Microgroove barrels. Disassembly requires loosening a barrel retention nut by hand or with a supplied tool. The Model 795 cannot be taken down and features an 18" barrel, a 10-shot magazine, and . unprecedented growth and opportunity, and America's manufacturers were looking
* Completely updated pricing for Marlin firearms with new entries and photos * Value Trackers: Real-life auction results * Sleeper Alerts: Collectible guns that are outpacing the market * Links to manufacturers website. are Ballard rifled, but the .32-20 1894CL and .41 Magnum 1894 FG are both fitted
25-round magazines are available. rifled barrels (both blued and stainless guns), as are the 1894 and 1895 Cowboy
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