Build Track's left hand classic Golden Age longrifle,
percussion lock,
13/16", 7/8", 15/16" straight octagon barrel
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Order our left hand percussion conversion Classic Golden Age longrifle parts set, and use your imagination. Plain or decorated, carved or inlaid, with double set trigger, many options are available. Each part is offered separately, so you can create your own custom rifle. Select the parts you need for your project. We recommend traditional brass furniture, but a few were made with nickel silver furniture. We recommend plain or fancy maple.

Colerain Barrel Company offers a select few calibers in 13/16", 7/8", and 15/16" straight octagon barrels. Offered in .36, .40, .45, .50, or .54 caliber depending on octagon size. Colerain straight octagon barrels are threaded to accept the breech plug. Colerain rifle barrels are the favorite choice of today's best muzzle loading gun makers, because knowledgeable shooters demand Colerain's accuracy, inside and outside. Founded by two entrepreneurs, Scott Keller and Scott Kelly were tutored by Bob Paris, the famous rifle barrel maker who was first to perfect the technique for production of correct swamped barrels.

Colerain rifle barrels are cut rifled, with fancy radius groove rifling geometry, in correct twist rates for round balls:
  • Cut rifled, with .012" to .016" deep grooves, depending on caliber.
  • 1 turn in 48" twist, in .36, or .40 caliber.
  • 1 turn in 56" twist, in .45, .50 or .54 caliber.


Colerain rifle barrels are drilled from solid steel. Each barrel has six "round bottom" grooves, called "radius groove rifling". Colerain eliminates the sharp inside corner that accumulates fouling. Radius groove rifling cutters are a bit more expensive to make, but Colerain's customers agree that the accuracy, easy loading, and easy cleaning are worth the cost.

Green Mountain barrels are 13/16", 7/8", or 15/16" octagon, 36" or 42" in length, and come threaded for breech plug. Available in .40, .45, .50, or .54 calibers. Green Mountain muzzle loading rifle barrels are machined from high quality American made bar stock, A.I.S.I. 1137 modified, stress relieved, annealed, certified rifle barrel quality steel. All barrels are drilled from solid stock, reamed to a high degree of smoothness, then optically checked for straightness. Very close tolerances are maintained. Diameters vary less than .0002" within any bore.

Cut Rifling Specifications:
  • Each barrel has eight lands and grooves.
  • Grooves cut .010 to .012" deep, depending on caliber.
  • Twist is 1 turn in 56 inches for .40 caliber.
  • Twist is 1 turn in 60 inches for .45 caliber.
  • Twist is 1 turn in 70 inches for .50 and .54 caliber.


Stocks, while our precision machine inlet stock was made especially for the early Southern Mountain style iron trimmed long rifle. This stock is similar to the classic shape and style of the Pennsylvania longrifle stocks from York County, Lancaster County, and other gunmaking centers where this stock shape was used. With our selection of appropriate brass or nickel silver trim you can build a fine “Golden Age Era" longrifle using this stock. Cut for a left large Siler percussion lock, and our #TR-DST-4 or TR-DST-6 double set trigger. Our stock is pre-inlet for a 13/16" straight octagon barrel, and shaped for a left hand shooter. A square vise block remains for easy mounting while you work on the rifle. The forend is shaped ahead of the vise block, and the stock is shaped from the lock panels rear. Not cut for buttplate, butt end is about 1-5/8" by 5-5/8". Drop is about 3-1/2" from sights. Pull may be adjusted up to 15". Drilled full depth for a 3/8" diameter ramrod.

We offer a complete set of sand cast furniture in brass or nickel silver, to fit this rifle.

Furniture includes:
  • Buttplate, sand cast
  • Triggerguard, sand cast
  • Sideplate, wax cast
  • Toeplate
  • Muzzle cap, sheet brass
  • Ramrod pipes, two forward and one entry
  • Ramrod, 48" in length
  • Ramrod tip, threaded for accessories


As cast, the castings need to have the casting gates removed by filing or grinding, and must be polished, then drilled and countersunk for mounting screws, as needed.

TG-MA-92-B or S: A later Lancaster County style triggerguard, suitable for a "golden age era" longrifle made during the 1790-1820 period. This guard is a copy of an original by Melchior Fordney, a famous Lancaster maker whose rifles are distinctive for their wrists decorated with a flat checkered pattern. A very malleable sand casting, you can adjust it to fit your longrifle stock's profile.

Front sights:

FS-TC-HB: Polished silver blade with brass base. Rounded silver blade is 3/8" tall. The brass dovetail base is .370" long, .750 wide, and .092" deep. Remember, don't file off the ends to match the barrel.

FS-TC-BB-81: Polished silver blade with brass base. Rounded nickel silver blade is 3/8" tall and a sturdy .080" thick. Brass dovetail base, .370" long, .780" wide, and .090" deep base. Made in the USA.

Rear Sight:

RS-SCH-14 or 16: Wax cast steel, not polished, this rear sight has a long base often found on golden age rifles. This sight is offered in a version made for a longrifle with a slim 13/16" or 7/8" octagon barrel, or larger version for 15/16" or 1". Made in the U.S.A. Dovetail up to maximum .062" deep, base is .750" long, by .526" wide for 13/16 or 7/8".

Our left hand Siler percussion lock, #LOCK-SL-CL-LH, is a correct percussion lock, made for scratch builders. The Siler percussion lock is our most popular, by far. Ideal for a left hand percussion longrifle, this Germanic style lock has the long pointed tail, raised lock plate with chamfered edges, and filed moulding across the tail, styles used during the 1750 - 1780 flint lock era. Originally designed as a flint lock, many longrifles were converted to percussion during the 1825 - 1845 era. Siler's large left cap lock is pre-inlet into some of our most popular stocks. It is designed to fit any 13/16" to 1-1/8" barrel, with a 1/2" diameter powder drum. Select a matching Siler left flint lock, to make one gun with interchangeable ignition. We recommend building percussion first, to simplify fitting of the powder drum to the lock plate's notch.

Powder drum, #DRUM-8-5-F-L, we now offer powder drums with a removable lug for installation. Not drilled for the nipple, use our #TOOL-DRUM, drum drilling jig to make this step easy. After the drum is installed, simply cut off the lug and the drum will appear just as those found on original percussion longrifles.

Double Set Trigger, TR-DST-4: This “double lever" set trigger has a front trigger lever to engage the sear, so the lock to be fired with the trigger unset. The trigger bar is about .400" wide. Wax cast steel parts are finished, tempered and assembled. We stock spare parts, in the unlikely event that any part will ever break. Same day shipment of trigger or spare parts! Overall length 5-3/8", bar .400" wide.

Double set trigger, #TR-DST-6, is our “double lever" double set trigger, with a front trigger lever, to engage the sear, allowing the lock to be fired with the trigger unset. Wax cast steel parts are finished, tempered and assembled. We stock spare parts, in the unlikely event that any part will ever break. The trigger bars is about 5-1/2" length, .400" width.

Patchbox, although not required, was often fitted to a "Golden Age" era longrifle. We offer a number of correct choices. These may be installed with the included cam-over-center spring, or using our push button release kit, at extra cost.

PB-KIT-B or S: Curved to fit your buttstock, neatly hinged with steel cam finger inside the lid, cam spring and mounting screw. We show the rough underside to reveal the features. Polished outside, the curved hinge fits well. Made of .052" thick sheet brass. The flat spring is tempered, ready to use, it may be finger soldered under the lid. Use this blank kit to copy an original. 7-3/4" overall length.

PB-KIT-5-B or S: Copied from and unknown maker, but similar to many patchboxes in Arms Makers of Western Pennsylvania, by James Whisker. 8-1/4" overall length.

PB-KIT-6-B or S: Shown in Gunsmiths of York County, Pennsylvania, by James Whisker, attributed to I. Berlin. Spring and instructions included. 7-1/2" overall length.

#PB-RK-TOW-B or I: This high quality patchbox release kit is made for use with brass, iron, or nickel silver patchboxes. The kit includes four precision steel parts, two unplated steel screws, and fully illustrated instructions. Made with your choice of a brass or steel release button.

Sliding Wooden Patchbox latch, #PB-RK-WOOD, is not shown. Our wax cast steel 3-1/2" lever spring is modeled after originals used on early Colonial era longrifles, with sliding wooden patchboxes. Easily fitted under your sliding patchbox lid, lift the thumb button to release the latch.

Gunsmithing Labor Options are a popular low cost method of speeding assembly. Our gunsmith can install the plug (#LABOR-BP), front and rear sights (2 #LABOR-DS), and underlugs (3 #LABOR-UL) at small extra cost, with prompt delivery.

#LABOR-BP: Our gunsmith will install your breech plug, in your barrel, with the front face of the breech plug tightly sealed against the inside shoulder of the breech thread, and the barrel maker's name indexed to the bottom flat. Threads are lubricated with Birchwood Casey's Choke Tube Lube anti-seize, so the plug may be removed, even after decades of use. Never remove a breech plug, unless you have a compelling reason. The plug is never removed for cleaning, and should only be removed by a skilled gunsmith, who has the correct tools to avoid marking your polished and finished barrel and plug.

#LABOR-DS: When you buy the sight from us, we will remove any burrs, gates, or parting lines, and hand fit the sight to the dovetail slot, ready for you to finish and use. Many of our rear sights are cast with an oversize base, to allow these to fill oversize slots. It is wise to allow us to trim these to a standard size, before installation in a new barrel. We must install the breech plug before installing sights, rib, or pipes.

Front sight slots are centered 1.5" from muzzle, unless your clearly specify another location. Do not embed special instructions within lengthy text of a letter. Place special instructions immediately after your written order for that item, or in the comment field of our on-line order form.

Rear sight slots are centered 8.5" from the breech end of the barrel (not including plug), unless your clearly specify another location. Do not embed special instructions within lengthy text of a letter. Place special instructions immediately after your written order for that item, or in the comment field of our on-line order form.

#LABOR-UL: When you buy the lugs from us, we will remove any burrs, and hand fit the lug to the dovetail slot, ready for you to finish and use. Allow our gunsmith to determine the best location for lug. Typically these rifles require three lugs. We require the breech plug to be fitted before performing this operation.

#BOOK-RAL: We strongly recommend Recreating the American Longrifle, by William Buchele. The late William Buchele was recognized as a true master longrifle maker. But his greatest contribution to muzzle loading must be this book. He shares the step-by-step details of his craft. His work has been enhanced by the editors. This book does not assume that the reader is an expert stock maker, but begins with illustrated explanations of the basic concepts. Buchele shows several alternate approaches to most tasks. This newly revised edition includes full scale plans for a carved flint longrifle, and fullstock flint pistol. Over 250 photos and drawings, within 176 pages, 8-1/2 x 11" format, soft cover.

#TOOL-DRUM: Use Track's drum drilling jig to install a percussion powder drum on your new rifle barrel, and be assured of perfect alignment. Using this drilling jig is very quick and easy. No file fitting is required to index the nipple to correctly engage the hammer. Never use a washer or shim under your powder drum. Install one of our drums and use this tool to locate and install the nipple threads. After your lock is correctly located, and fully inlet against the barrel's side flat, drill tap and install our undrilled powder drum. Tighten it snugly against the barrel. Lower the hammer on your lock, and draw a line across the face of the drum, showing the proper nipple angle. Remove the barrel and drum assembly from your stock. Slip this tool over the drum. Align it with the line on your drum. Tighten the locking screw, and insert the drill bushing. Using your hand drill and your #3 drill bit, drill a connecting hole into the powder drums center channel. Remove the drill, bushing, and insert our 1/4-28 plug tap. Using a tap handle and cutting oil, thread the hole to accept our #RST-S nipple. Finish with our bottom tap. Dismount the drill jig, and proof test your barrel and drum before use. Drill, taps, drum and nipple sold separately.

#DVD-BML or #DVD-BML-2 Building Muzzle-Loaders DVD video with rifle maker James Turpin. Rifle maker James Turpin takes you start to finish on building a quality Muzzle-Loading flint or percussion rifle. Designed for the beginning to intermediate builder. DVD format.

#DVD-BE: The Gunsmith's Apprentice Series Presents "Beginning Engraving", taught by gunmaker Jack Brooks. With this video you can learn to engrave in the manner and style of the original masters.

In this presentation the nationally known traditional longrifle builder Jack Brooks teaches the viewer the essentials of chasing, pushing & wriggle engraving. Beginning with the basic tools, Jack shows the sharpening and heat treating of both square and chisel point engraving tools, and demonstrates the techniques used by period American gunsmiths to decorate their firearms. In addition, the engraving of several original 18th and 19th century longrifles is examined in detail. Over 70 minutes long. VHS format.

We also recommend our new catalog, which describes this kit in great detail, explains the options, and shows most individual parts in exact full size photographs. Prices may change, over the years, but the technical data, dimensions, instructions, and precise photos will make this 432 page book an essential too on your work bench.

Gun building is fun! Click ADD TO CART, and send your order, for same day shipment.
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Track of the Wolf, Inc.
18308 Joplin St NW
Elk River, MN 55330-1773

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