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Many items are out of stock due to supply issues.  If you would like to be notified when an item is back in stock please use the "Email me when Back-In-Stock" link, this is found on the detailed product page for each item that is out of stock.  See below for an example.

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 products from Aimpoint, ARMS, Blue Force Gear, Black Dog Machine, Brownell's, Buffer Technologies, Ciener, Daniel Defense, Dexter Meadows, Eagle Industries, EoTech, Ergo, Falcon Industries, 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, Trijicon, Troy Industries, Vltor, Wolff, Yankee Hill Machine (YHM) and many more.

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EOTECH MODEL 552 AA BATTERY MODEL W/2D STANDARD RETICLE PATTERN		AIMPOINT COMP ML3 RED DOT SIGHT WITH 4 MOA DOT
List Price: $539.00 Our Price: $499.00 You Save $40.00!		List Price: $562.00 Our Price: $506.00 You Save $56.00!
EOTECH 552 RED DOT HOLOSIGHT AA BATTERY		AIMPOINT COMP ML3 RED DOT SIGHT WITH 4 MOA DOT
EOTECH XPS2-1 HOLOGRAPHIC RED DOT SIGHT, 1 MOA DOT RETICLE, NON NV COMPATIBLE		GG&G EOTECH ACCUCAM THROW LEVER MOUNT
List Price: $519.00 Our Price: $479.00 You Save $40.00!		List Price: $84.95 Our Price: $72.21 Sale Price: $65.95 You Save $19.00!
Shortest model sight yet! This sight is smaller than the former N-cell battery sight (511/551) and runs on a single 123 battery. It also has a longer battery life than the N-cell style sights. Smaller,lighter and always fast with three reticle options. With the new single battery configuration, the XPS allows more rail space than ever, leaving more room for rear iron sights or NV mount.		GG&G EOTECH ACCUCAM THROW LEVER SCOPE MOUNT
GG&G FLIP UP LENS COVERS FOR EOTECH XPS HOLOSIGHTS WITH "FRONT TOWARDS ENEMY"		BROWNELLS 30 ROUND AR15/M16 MAGAZINE WITH CHROME SILICONE SPRING, TAN
List Price: $42.50 Our Price: $36.13 You Save $6.37!		Our Price: $17.95 Sale Price: $13.95 You Save $4.00!
GG&G Scope Lens Covers fit XPS models and serve double duty by preventing glare when they are not in use. The rear lens cover for the EoTech scope folds onto the top of the protective hood, allowing for unimpeded aiming.		BROWNELL 30 ROUND AR-15 MAGAZINE CHROME SILICONE, TAN