KAC - Knight's Armament Mid-Length URX, SR15/AR15, Includes Built In Front Flip Up Sight		Aimpoint PRO - Patrol Rifle Optic Red Dot Sight
List Price: $298.75 Our Price: $292.78		List Price: $453.00 Our Price: $408.00
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.		Unique features for Patrol Rifle Optic • Always ready - always on. Turn it on for up to 3 years using one single battery. No need to fumble with switches prior to use. • 2 minute of angle red dot for accurate target engagement at all distances. • In service date and battery change date reminders makes inventory tracking and maintenance easy. • Enhanced speed on target and increased first shot hit probability when compared to iron sights and magnified scopes. • Compatible with all generations of night vision devices and may be used with Aimpoint 3X Magnifier and Concealed Engagement unit. • Hard anodized aluminum alloy housing. Rugged enough for real world conditions and waterproof to 150 feet.
GEN FOUR SI DEFENSE Billet 5.56 / .223 AR-15 Lower Receiver		KAC - Knight's Armament URX 3.1 5.56mm 10.75" Length
Our Price: $261.50		List Price: $298.75 Our Price: $292.78
GEN FOUR SI DEFENSE Billet 5.56 / .223 AR-15 Lower Receiver		New Knight's Armament URX 3.1 (10.75") -URX handguard is 10.75 inches total length, designed for barrels of 11.5" and longer -Rail has 5 Anti-Rotation QD Swivel sockets, 2 Rear (L & R), 3 Front (L, R, Bottom) -Internal Heat Shield covers approximately 1/2-2/3 of the removable bottom rail
Trijicon SRS 1.75 MOA Red Dot Sight with Quick Detach Lever		KAC - Knight's Armament URX 4 IBN Rail 5.56mm 14.5" Length
List Price: $1,125.00 Our Price: $956.25		List Price: $299.75 Our Price: $293.76
The Trijicon SRS is a highly engineered sealed reflex sight that eliminates the tube-effect typically associated with other sealed reflex-style sights. The modern design incorporates a 28mm aperture that allows easier target acquisition. Its 1.75 MOA dot is small enough for precision and bright enough for speed. The SRS features an innovative solar cell assisted by a single AA battery.		URX 4

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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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