Great Plains Rifle Drop-in Barrel Assembly,
.54 caliber, 1-60" twist, 15/16" octagon, 32" length,
blued, includes tang, flintlock ignition for Lyman Great Plains, Investarm Gemmer Hawken




Investarm drop-in barrel, .54 caliber with 1-60" twist for a patched round ball. 15/16" octagon, 32" length. Flintlock ignition for Investarm produced Lyman Great Plains rifles and Investarm Gemmer Hawken and Plains rifles. The barrel, plug, adjustable rear sight, blade front sight, rib, rod pipes, and underlug are blued. Fully assembled, this nice barrel assembly is new-in-the-box, unfired. Made in the Italy, by Investarm.
A dark brown Delrin nylon ramrod is available at extra cost. Order #RAMROD-324-LYM.
- The 15/16" octagon size will fit Investarm Lyman Great Plains, Gemmer Hawken and Plains rifles originally manufactured in .45, .50, or .54 caliber.
- Right hand flint lock, the barrel length is 32" (or 33" including the plug).
- Includes a tang
- The rear sight is adjustable for elevation
- Blued steel blade front sight
- Factory fitted with a factory stainless steel vent liner
A dark brown Delrin nylon ramrod is available at extra cost. Order #RAMROD-324-LYM.
Track's best Black Powder BORE CLEAN Solvent, with flip-top spout
Bore mop, 100% Cotton, for .52 to .54 caliber, 10-32 thread, washable
Ball puller, steel screw, .54 caliber brass collar, 10-32 thread
Bore brush, bronze, for .54 caliber, 10-32 thread
Flint priming flask, throws about 3 grains, brass
Jag, jagged cleaning tip, brass, .54 caliber, 3/8" rod, 10-32 thread
Wedge Key, forward long oval head, for Lyman Great Plains & Gemmer Hawken Rifle by Investarms, blued steel
Wedge Key, rear long oval head, for Lyman Great Plains & Gemmer Hawken Rifle by Investarms, blued steel
Nipple Wrench for Rifles & Shotguns,
slotted end for #11 nipple
Shooting patches, .010" cotton, .50 - .59 caliber, per 100, dry
Shooting patches, .015" cotton, .50 - .59 caliber, per 100, dry
Cleaning Patches, 2-1/2" diameter, bag of 100, pure cotton flannel, for .45 to .58 caliber
Ramrod for Investarms Great Plains, Gemmer Hawken, Lyman Great Plains Rifle & Hunter by Investarms,
3/8" brown Delrin nylon, 32-1/2" length.
Flared brass tip threaded 8-32 at front, 10-32 thread at rear.
Made in the U.S.A.
Ramrod for Investarms Great Plains, Gemmer Hawken, Lyman Great Plains Rifle & Hunter by Investarms,
3/8" stained hickory, 32-1/2" long.
Flared brass tip threaded 8-32 at front, 10-32 thread at rear.
Made in the U.S.A.
Ramrod,
5/16" stainless, 36" long rod.
Creedmoor, rigid handle, 10-32 thread
Short Starter, patch & ball starter, 1/2" wooden rod for .54 and larger calibers.
Vent,
Touch Hole Liner,
6-.75mm thread, stainless steel,
slotted for easy removal
for Investarms produced Lyman Great Plains, Trade, & Deerstalker rifles
Patch puller, corkscrew worm, steel, brass base, 10-32 thread
All sizes are nominal. Please verify with description for more information.
-
Barrel Profile
-
ReplacementInvestarm - Lyman
-
-
Brand of ManufacturerInvestarm
-
Caliber.54 Caliber
-
Length32"
KEY-LYMAN-GPR
Wedge Key, forward long oval head, for Lyman Great Plains & Gemmer Hawken Rifle by Investarms, blued steel
KEY-LYMAN-GPR-R
Wedge Key, rear long oval head, for Lyman Great Plains & Gemmer Hawken Rifle by Investarms, blued steel
MINK-OIL
Trapper's MINK OIL TALLOW,
patch grease,
for match shooting & cold weather hunting,
one 8 oz. tin
OX-CLEAN-58C
Cleaning Patches, 2-1/2" diameter, bag of 100, pure cotton flannel, for .45 to .58 caliber
RAMROD-324-LYM
Ramrod for Investarms Great Plains, Gemmer Hawken, Lyman Great Plains Rifle & Hunter by Investarms,
3/8" brown Delrin nylon, 32-1/2" length.
Flared brass tip threaded 8-32 at front, 10-32 thread at rear.
Made in the U.S.A.
RAMROD-324-LYM-H
Ramrod for Investarms Great Plains, Gemmer Hawken, Lyman Great Plains Rifle & Hunter by Investarms,
3/8" stained hickory, 32-1/2" long.
Flared brass tip threaded 8-32 at front, 10-32 thread at rear.
Made in the U.S.A.
THL-LYMAN-S
Vent,
Touch Hole Liner,
6-.75mm thread, stainless steel,
slotted for easy removal
for Investarms produced Lyman Great Plains, Trade, & Deerstalker rifles