DIY Parts & Components
6.5 Grendel | DIY Parts & Components
This category includes base components needed to begin building your own 6.5 Grendel upper receiver or lower receiver. All parts available from Alexander Arms® are visible here in the Online Store. Some additional parts that are required to complete assembly are not sold by Alexander Arms®.
This product is being introduced for individual sale while supplies last! Production lead times may apply. Lightweight profile, button-rifled, stainless steel 6.5 Grendel barrel. Features 1:7.5 twist rate, no external finish applied, fluting for weight reduction, 9/16-24 TPI RH muzzle threading, 60-degree muzzle crown, and barrel extension installed. Gas port is positioned at mid-length. Manufactured by Alexander Arms® and sold with exactly the same specifications as the Alexander Arms® 6.5 Grendel 16-inch Lite upper receiver assembly. Fully-inspected and fully-prepared for assembly into an AR-15 platform rifle. Barrel weight is 1.74 pounds. Gas block diameter is 0.750 inches. Specifications are not optional and custom barrels are not made. Please review the warranty disclaimer in the Additional Info section before ordering.
Alexander Arms® 6.5 Grendel caliber-designated stripped upper receiver, the same that is used in our high-quality factory-assembled products. Made from tough 7075 aluminum alloy to military AR-15 specifications. Includes the engraving "ALEX-A 6.5 GREN" on the receiver. Product weight is 0.44 pounds. No other parts are included or supplied with this product.
Alexander Arms® 6.5 Grendel caliber-designated stripped lower receiver, the same that is used in our high-quality factory-assembled products. Made from tough 7075 aluminum alloy to military AR-15 specifications. Features the M1913 Picatinny rail (flat-top) and small trigger pin (0.154") dimensions. Includes the Alexander Arms® 6.5 Grendel serial number along with the Alexander Arms® company logo, company name, and company location engraved on the receiver. Product weight is 0.52 pounds. No other parts are included or supplied with this product.
Alexander Arms® high-quality gas block manufactured to our specifications. Features a durable manganese phosphate coating and set screw attachment. Weight of gas block is 0.13 pounds. Mates perfectly with the Lite series barrels and gas tubes currently being sold by Alexander Arms®. Two set screws are required and included.
Alexander Arms® high-quality gas block manufactured to our specifications. Features a durable manganese phosphate coating and set screw attachment. Weight of gas block is 0.23 pounds. Mates perfectly with the Lite series barrels and gas tubes currently being sold by Alexander Arms®. Two set screws are required and included.
Alexander Arms® high-quality gas tubes manufactured to our specifications. Available in carbine-, mid-, and rifle-length sizes. Mates perfectly with the gas blocks and barrels currently being sold by Alexander Arms®. Does not include a gas tube roll pin or any other supplies.
AR-15 replacement firing pin manufactured by Alexander Arms®. AISI 8740 alloy steel in austempered spring condition. Precision machined with correct transition radii to eliminate breakage. Thin, dense chrome coating minimizes hydrogen embrittlement. Trilobial main shank maintains alignment of the cam pin. Provides reduced contact surface that produces easy sliding of the firing pin within the channel. Provides clearance for dirt and carbon that results in more reliable function. Proven to operate at -65 Celsius in correctly lubricated weapons. Fluting is not cut all the way to the back of the firing pin, which keeps debris from entering the channel from the rear.
Alexander Arms® 6.5 Grendel hard-use bolt assembly. This bolt features and includes a 0.136-inch bolt face recess, optimized extractor, ejector, gas rings, relief-cut bolt lug to prevent stress fracturing during hard use, and Ionbond protective coating. Its finish is black in color.
The Samson Evolution Series 12-EX is a lightweight, free-floating, and durable handguard. It offers a perfect upgrade for 3 gun shooters, LE/Military, and weekend enthusiasts alike. Accessory picatinny rails can be added or removed at any of seven positions around the handguard and any place along the length of the tube. Kit includes two thermal bushings, 2-inch rail kits, instructions, and wrenches. The handguard accommodates most piston systems. Sold in retail packaging direct from Samson. Also see the manufacturer's product description.
Alexander Arms® advanced G10 composite handguard system gives heat, cold, and chemical resistance while providing featherweight rigidity and an excellent tactical surface. Upper vents assist in rapid cooling of barrels and are spaced to reduce mirage. Low-profile, 2-inch diameter, free-floated, and includes a 7075 aluminum barrel nut. This item has corrosion-resistant, threaded inserts spaced to attach our 3-inch Picatinny rail sections per user requirements. Attaches to threaded inserts via Allen head screws. Overall length is approximately 12.5 inches. Weight including barrel nut is 0.81 pounds; barrel nut weight is 0.16 pounds. The handguard is compatible with any and all standard AR-15 upper receivers and is not suitable for piston-driven systems with components that run under the handguard or weapons using alternative methods of handguard attachment. You may view the introduction and installation instructions for this item here on our web site.