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The 715T was originally produced with an adjustable rear sight mount (with integrated carry handle) and an adjustable front sight. [2] In 2012, a "Flat Top" version was introduced with removable and adjustable front and rear sights, along with a Picatinny rail. [2] The Flat Top was also available in Red Dot Combo and Camo models. [3]
Flattop: Indicates carry handle and rear sight has been replaced with a MIL-STD-1913 rail. A detachable carry handle can be attached to the rail which features either A1 (Diemaco/Colt Canada) or A2 (Colt) sights; Weaver: Indicates carry handle and rear sight has been replaced with a Weaver-type rail. A detachable carry handle can be attached to ...
Unlike the current Colt M4 Carbine which features a four-position telescopic stock, the Bushmaster has a six-position stock. It is compatible with most standard AR-15 parts, can mount various attachments such as options on its picatinny rails and has the ability to accept all AR-15/M16 type STANAG magazines.
The AR-15's most distinctive ergonomic feature is the carrying handle and rear sight assembly on top of the receiver. This is a by-product of the original ArmaLite design, where the carry handle served to protect the charging handle. [14] As the line of sight is 2.5 in (63.5 mm) over the bore, the AR-15 has an inherent parallax problem. At ...
The standard XM-15 has a forged 7075T6 aircraft-grade aluminum upper and lower receiver. Barrels of XM-15 firearms have a heavy profile and are hard chrome-lined 4150 alloy steel or 416 stainless steel. [2] [4] In Bushmaster's 2016 sales brochure, all new-production XM-15s are stated to be supplied with a 4150 steel barrel. [5]
A rail system mounted on top of a SIG SG 550 A dovetail rail on a rifle receiver for mounting a sight. A rail integration system (RIS; also called a rail accessory system (RAS), rail interface system, rail system, mount, base, gun rail, or simply a rail [1]) is a generic term for any standardized attachment system for mounting firearm accessories via bar-like straight brackets (i.e. "rails ...
Initial sales of the Colt AR-15 were slow, primarily due to its fixed sights and carry handle that made scopes difficult to mount and awkward to use. [84] Military development of compact military AR-15 carbines encouraged production of a 16-inch (41 cm) barreled civilian SP1 carbine with a collapsible buttstock beginning in 1977.
The BUIS and detachable carrying handle and rear sight assembly feature L-type rear sight apertures that are the same as used in the preceding fixed carrying handle and rear sight assembly. In the later years, upon request, Diemaco/Colt Canada would manufacture MIL-STD-1913 "Picatinny rail" upper receivers.