KAC-Knight's Armament URX III 8" RAIL		KAC-Knight's Armament Rifle Length URX III, AR-15/SR-15/M-16
List Price: $311.25 Our Price: $305.03		List Price: $311.25 Our Price: $301.91
		Knight's Armament URX 3 includes built in flip up front sight, and 3 rail covers. Rail has 4 rotation limited QD Swivel sockets (front and rear of each side). Installs on most 5.56mm (.223) AR-15 type rifles. Overall length is 12.5 inches and weight in at a light 15.2 oz. with barrel nut and rail covers. Requires Knight's Armament new style barrel nut wrench #20495 to install. Installation is also available as a service here.
KAC-Knight's Armament 300 Meter Micro Flip-Up Rear Sight		KAC - Knight's Armament SR-15E3 SBR 11.5" Barrel Upper Kit
Our Price: $124.50		List Price: $1,625.00 Our Price: $1,543.75
Mounts to flat top upper. Flip-up sight stays down out of the way when using optics, yet is easily flipped up. Windage adjustable.  Small plastic aperture can be snapped out for a larger aperture.		Knight's Armament SR-15E3 SBR Upper Assy. -11.5" barrel with A2 flash hider -Pinned on Knight's Armament folding flip up sight/gas block -Knight's Armament Carbine URX II with 4 QD sling swivel sockets (2 front, 2 rear) -Carbine length gas system -M16 bolt carrier and rounded lug E3 bolt -LMT charging handle with LMT tactical latch -Knight's Armament Micro 200-600m flip up rear sight with small aperture, adjustable for windage and elevation -Knight's Armament HH buffer *NFA rules apply
Daniel Defense M4 16" URG, V7 With MFR Handguard		KAC - Knight's Armament Mid-Length URX, SR15/AR15, Includes Built In Front Flip Up Sight
List Price: $889.00 Our Price: $827.00		List Price: $298.75 Our Price: $289.79
The Daniel Defense V7 Upper Receiver Group is built off the extremely popular V5 platform. We incorporated the new Modular Float Rail 12.0 to provide each shooter with the ultimate in modular adaptability. Should the shooter desire, the tube can be run “slick” with an uninterrupted top rail that runs the length of the tube. In addition, the installation of Modular Picatinny Rail sections is accomplished with little effort. This allows the shooter to customize the rail set up.		Fits the AR15/M16/SR15 with low profile gas block and carbine or rifle length gas system.  Will not work with mid-length gas systems.  Overall length is 10 3/4", will not work with mid-length gas systems.  Includes built in front flip up sight that locks in the up and down position with a push button.  Sight is manually folded up and down and includes an elevation adjustable sight post.  Rail includes removable bottom rail and three handguard panels.

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Huge Selection of AR15, M16 & M4 Parts and Accessories

Welcome to Operation Parts. Here you will find only the highest quality tactical gear and gun accessories for rifles, carbines, and submachine guns. We carry rifle handguards, rifle scope mounts and rings and much more from trusted manufacturers such as Advanced Armament (AAC), Aimpoint, A.R.M.S., Blue Force Gear, Black Dog Machine, Brownell's, Buffer Technologies, Ciener, Daniel Defense, Eagle Industries, EOTech, Ergo, Falcon Industries, Gear Sector, Geissele, GG&G, Grip Pod, Harris Engineering, H&K, Insight Technologies, Knight's Armament (KAC), Lewis Machine & Tool (LMT), Magpul, PRI-Precision Reflex, Redi-Mag (Boonie Packer), Rock River Arms, Samson, Specter Gear, Streamlight, SureFire, TangoDown, Target Master, Trijicon, Troy Industries, Viking Tactics, Vltor, Yankee Hill Machine (YHM) and many more.

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