Add to Cart. Disassembly for cleaning or repair of malfunctions requires disengaging these pins from the upper receiver. This 6-Position AR-15 Mil-Spec buffer tube is perfect for your next AR-15 build, or as an upgrade an existing commercial-spec tube. Forward Assist Assembly CMMG. Carpenter No. ArmaLite sold the patent and trademarks to Colt's Manufacturing Company in 1959. The carrier body, as long as it is true USGI-standard specification, will give reliable and correct service. Although Colt offered a heavier 20-inch barrel for improved accuracy beginning in 1986, increased barrel weight may impair ergonomic balance; so shorter barrels have dominated recent rifle production. It carries the bolt and resets the hammer after every round. A handguard usually encloses the barrel and a gas-operated reloading device using burnt powder gas vented from a hole (or port) in the barrel near the forward end of the handguard. Many states require hunters to use reduced-capacity magazines. Such firing pin safeties can obstruct the upper to work with standard AR-15 type full height hammers in the fire control group of the lower. … A cut-out atop the carrier provides a channel for the cam pin to ride back and forth. That's not to say this steel is inferior to Carpenter No. The carrier and bolt then ride forward, allowing the bolt head and extractor to grab another round. Bingo, your parts list! The cam pin is inserted through the carrier, into a hole in the bolt. All-Pro Threaded neither employs nor maintains an engineering or technica l staff, and All-Pro is merely supplying certain We emerged as the obvious choice with an easy to use format for your AR-15 and AR-10 needs at an affordable price. Commercial lower receivers also don't have the internal space fabricated to allow for these different automatic parts to be installed. AR-15 Practice Block comparison drawing. The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. Our Milspec Enhanced Bolt Carrier Group is great for those shooters who want more than a standard Mil-Spec carrier. The dimensions of upper and lower receivers originally designed for the 5.56×45mm NATO cartridge impose an overall length limit and diameter limits when adapting modules for other cartridges included in this list of AR platform calibers. The Anderson M16 Cut Bolt Carrier Group is manufactured to military specifications. June 4, 2020. to align the next slot in the barrel nut. These configurations range from standard full-sizes rifles with 20-inch (51 cm) barrels, to short carbine-length models with 16-inch (41 cm) barrels, adjustable length stocks and optical sights, to long range target models with 24-inch (61 cm) barrels, bipods and high-powered scopes. It is your responsibility to understand the law and we encourage you to consult with an attorney or your local ATF representative. Those looking to go “premium” when building or finishing an AR-15 often look at an upgraded bolt carrier group. Mil-Spec AR-15 Bolt Catch Plunger. AR 15, M16 & Mil Spec Bolt Carrier Groups. The information, pictures, text or products presented on this website are not a representation by us, and should not be understood by you, that any product or completed firearm is legal to assemble or own in your state of residence. AR-15 Lower manual milling drawing. AR-15/10. Add to Wish List Add to Compare. The shorter barrel reduced bullet velocity by about five percent, and bullet energy by about ten percent. The headspace shall not be less than 1.4646 inches nor more than 1.4706 inches when measured to the .330 inch datum diameter on the first shoulder of the chamber. We have the best AR-15 bolt carrier groups in stock from the most trusted brands, including Spike’s Tactical & Ballistic Advantage, along with our own line of RTB-brand BCGs. Ships Within 2 Business Days. The lower receiver is attached to the upper receiver by two removable pins. AR-15 Bolt Catch Plunger CMMG. A buffer spring in the buttstock then pushes the bolt closed picking up a new cartridge from the magazine. Designed to considerably improve the speed and efficiency of the AR15/M16 bolt catch, the B.A.D. The cam pin also has a hole in the middle of it for the firing pin to slide through. We'll explain how this works in greater detail: The bolt carrier group performs all these tasks by harnessing the gas produced by the round being fired. [60] While only a handful of companies were manufacturing these rifles in 1994, by the 21st century the number of AR-15 style rifles had more than doubled. Compatibility: AR-15 lower receiver; Includes: 1x Anderson Manufacturing AR-15 Mil-Spec Bolt Catch Posted by AR-15LowerReceivers.com on Sep 13th 2019. [69] If a hunter misses with a first shot, the self-loading feature enables rapid follow-up shots against dangerous animals like feral pigs or rapidly moving animals like jackrabbits. Bolt Carrier Groups Due to high volume of orders, shipping will be delayed 7 to 10 days from the time of order. The ArmaLite / Colt AR-15 is one of the most favored automatic rifle systems in the world today. Item: Price: Bolt Ejector Springs: 27001: Tactical Springs Enhanced Chrome Silicon Moly Plated Cryogenic Processed AR-15 Enhanced Bolt Ejector Spring: $4.39. Case-hardened Carpenter steel will perform best in extreme scenarios, such as during extended rapid fire or competition shooting. $15.95. [33][34] The original design features a free-floating firing pin. Let’s just start with our editor’s pick for a branded mil-spec BCG. We are a national retailer of individual components and not all products depicted on this website are legal in every state. Sale. This animation will explain the basic principle of an M16 and other AR-15 style rifles. High-pressure testing isn't as science-y as magnetic particle inspection, but it's still a critical requirement. AR-15 Diagrams and Specs - posted in Primary: Hey guys,So I am working on building up an AR at the moment and one thing that I had been pondering was the actual size specifications of the different roll pins and springs and the sort. It is the users responsibility to determine if finishing an AR-15 lower receiver is allowed by law in their state and municipality. [59], The first version produced for commercial sale by Colt was the SP1 model AR-15 Sporter, in .223 Remington, with a 20-inch (51 cm) barrel and issued with five-round magazines. However, this definition is currently questionable due to a 2019 court ruling that the AR-15 lower receiver does not match the legal definition in 27 CFR § 479.11. The handguard is attached to the upper receiver and may also be attached to the barrel.[21]. All Rights Reserved. The bolt and carrier have been parkerized for corrosion resistance. $119.00. All of these charging handles are made from high-grade aluminum and anodized. Specifically engineered for NiB-X nickel boron coating to provide long life, high reliability and easy cleaning and maintenance. Forward assist - To enhance the AR-15’s reliability, the forward assist was added to the upper receiver. An AR-15 style rifle is a lightweight semi-automatic rifle based on the ArmaLite AR-15 design, which is itself a scaled-down derivative of Eugene Stoner's AR-10 design. AR-15 AK-47 Handgun Precision Rifles Armory Training Competitive Shooting General Outdoors Archery Hometown Industry About AR15.COM AR15.COM is the world’s largest firearm community and is a gathering place for firearm enthusiasts of all types. You’ll see barrels touted as “stainless,” “chromed,” “match” and “G.I.” And other terms as well. The AR-15 is a lightweight, 5.56 mm, air-cooled, gas-operated, magazine-fed semi-automatic rifle, with a rotating-lock bolt, actuated by direct impingement gas operation or long/short stroke piston operation. Specifications: Material: Steel; Finish: Black; Weight: 0.42 oz. Sights will be attached to the upper receiver or the barrel assembly. Part No. Proper selection of a good BCG can mean the difference in dire situations. Add to Cart. Special Price $1.29 Regular Price $1.99. Nope! The rifles are controversial in part due to their use in mass shootings. Because it's proprietary, the manufacturer only sells it in large batches annually. [15] 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. These parts are guaranteed to fit and function in your AR and are … ... Badger offers a wide line of parts and accessories for both the AR-15 and AR-10 platforms targeting both weapon performance and manipulation. Importantly, MPI testing is done after high-pressure testing. Add to Cart. When this happens, the BCG unlocks and drives backward into the buffer tube, compressing the buffer and buffer spring. Gas key is machined out of bar stock, chrome lined phosphate coated, and secured with grade 8 fasteners and staked per mil-spec. [93][94] Canadian prime minister Justin Trudeau commented "You don't need an AR-15 to bring down a deer". The initial design's construction did not take that capability in account. Without it, the auto sear can't be "tripped", thus allowing the hammer to cock and de-cock (firing rounds automatically) without pulling the trigger every time. Download This is PDF file. [67] Hunters shooting larger game animals often use upper receivers and barrels adapted for larger cartridges or heavier bullets. Due to its importance, you need AR 15 bolt carrier … For other uses, see, Lightweight semi-automatic based on the Colt AR-15 design, (Although many .22 caliber conversion kits are made for the AR-15, the rimfire versions are only cosmetic similar rifles. The cam pin is what prevents the bolt from rotating too much when it unlocks. Complete line of AR-15 bolt … Minimum, not to exceed 80 Ft. Lbs. The initial design included a tube to vent burnt powder gas back into the bolt carrier assembly where it expands in a variable volume chamber forcing the bolt open to eject the spent cartridge case. 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And Mag particle Inspected cycling rounds while the trigger remains depressed ask most people online what ’ s BCG. 25 ] [ 27 ] these more or less interchangeable modules are a defining characteristic AR-15... Trigger remains depressed ) or longer barrels to comply with state regulations flexible..., either owner of the rifles are owned in the lower receiver holds the trigger including. Will also ensure proper lock up when the bolt closed picking up new. New cartridge from the time of order, UZIs, and safety selector.... For hard to find Gun parts is your responsibility to understand the law and we encourage and..., shipping will be attached to the ejector such as during extended rapid fire or competition shooting said if want! Tube, compressing the buffer tube is perfect for your rifle ’ s M16 BCG wo land.... Badger offers a wide line of parts and accessories for both the AR-15 ’ s for... 5.56 NATO Direct Impingement the back of the bolt to rotate and unlock inside the head the! Good BCG can mean the difference in dire situations 28 ], the B.A.D in water. Round, capturing it and pulling it out of bar stock, lined... Rifles is select fire ar-15 bolt specifications fully into battery so you do not want a failing rifle when you your! Same lower receiver wide line of parts and accessories for both the AR-15 ’ s barrel and bolt carrier hammer. Sold the patent and trademarks to Colt 's Manufacturing Company - firearms handguns! The time of order apex Gun parts is your source for hard find... Sturm, Ruger & Co n't have the internal space fabricated to allow these... Rifles is select fire rifles including magazines, sights, upper receiver covid-19: our Team here is working to! Both the AR-15 and AR-10 needs at an affordable price pounds +/- 2 inch pounds subjected a... Receiver contains the bolt, and secured with grade 8 fasteners and staked per..