SKU: DARRS4.500-1-8
MPN: RS4.500 1-8
The Repair Cylinder Sleeve 4.494 Bore 4.750 OD is a precision-engineered component designed for firearms requiring barrel restoration or replacement after wear, erosion, or damage. This sleeve is intended for use by armorers, gunsmiths, and military/law enforcement facilities focused on extending the service life of critical firearms. It offers a cost-effective solution for fleet maintenance in field operations.
Featuring a 4.494-inch bore and a 4.750-inch outside diameter, this repair cylinder sleeve is precision-machined to ensure reliable headspace and concentricity. The design allows for installation into damaged cylinder bores, restoring original dimensions and ensuring proper ammunition seating and extraction. Darton's manufacturing process emphasizes tight tolerances and consistent wall thickness, which are critical in preventing gas leakage and maintaining structural integrity under firing stress.
This component is essential for tactical units, military armorers, and law enforcement agencies operating in demanding environments. It is particularly beneficial for those looking to maintain the functionality of firearms without the need for complete replacement. The sleeve's manageable weight and compact dimensions facilitate easy transport and bench work for armory personnel.
WARNING ⚠️ You must be 18 or older to purchase shotgun or rifle ammunition and 21 or older to purchase handgun ammunition and firearms. Please reference our requirements for ammunition orders to "restricted" states HERE. Always make sure you use the correct ammunition for your firearms. Ammo cannot be shipped to a PO Box. Please reference state & local laws before making a firearm or ammunition purchase.
