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My M4 mil-spec carbine and AR-15 pistol build (w/ SigTac SB15 Pistol Stabilizing Brace). Nickle Boron Bolt Carrier Group (BCG) - BCM Extractor up-grade kits - Sig Sauer 556 Classic SigTac SB15 Pistol Stabilizing Brace ATF Compliance Letter link
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On my two AR builds, my goals were to make sure that each of my AR builds were built with quality Mil-Spec parts, simple, light, and shoots brass and steel ammo. And most importantly to feel confident that I could depend my life on them under extreme shooting and environmental conditions...battle ready. Just like my Sig Sauer 556 and AKs.
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my Ar-15 carbine specs 16" M4 with M16 Bolt Carrier Group, Charging Handle, and Carry Handle Rear Sight 16" Barrel length - Chrome moly vanadium barrel - 5.56 Nato Chamber - 1 in 7" twist rate - Chrome-lined bore - HPT/MPI Barrel - M4 Feed Ramps - F-Marked Front Sight Post - A2 Flash Hider - -Sling Loop - Standard Hand Guards w/ Heat Sheilds - Forged Upper Receiver - T-Marks - M16 Bolt Carrier Group and Charging Handle - Carry Handle Rear Sight Barrel: 16" Chrome-lined, chrome moly vanadium. Chambered in 5.56 NATO, with a 1/7 twist, M4 barrel extension, and a carbine-length gas system. The M4 profile barrel is high pressure tested and magnetic particle inspected and then phosphate coated. Barrel is finished off with an .750" diameter F-marked front sight base with sling swivel, standard handguards and an *A2 flash hider. Barrel is made by FN Manufacturing. *switch to a Upper: Forged 7075-T6 A3 AR upper is hard coat anodized black for durability. Featuring M4 feedramp cuts, T-marks, these upper upper receivers are made in the USA. Carry Handle Rear Sight: Mil-Spec height carry handle for flat top AR-15, M16A4, M4, M4A1 rifles and carbines. Compatible with taller F marked front sight bases. Machined from 7075T6 forgings, hard coat anodized, staked thumb screws, A2 aperature, 6/3 windage drums. Bolt Carrier Group: 5.56 Full Auto Nickel Boron BCG - Nickel boron coated full-auto profile bolt carrier group - Milspec Carpenter No. 158® steel bolt - Shot Peened Bolt - High pressure tested - Mag particle inspected - Gas Key Hardened to USGI Specifications - Gas Key Grade 8 Hardened Fasteners - Gas Key Staked Per Mil-Spec - Tool Steel Extractor - * Extractor Spring - Extractor O-ring Insert * upgraded the Extractor Spring - Extractor O-ring Insert w/ BCM Extractor Spring - Extractor O-ring kit AR-15 Complete Lower Magpul MOE Edition - Black Machined from Aluminum Forgings 7075-T6 - Hardcoat Anodizing: MIL-A-8625F, Type III, Class 2 - Milspec diameter Receiver Extension - Magpul CTR Stock in Black - Magpul MOE Grip in Black - Magpul MOE Trigger Guard in Black - Staked M4 Lock Nut - Standard Carbine Buffer -Un-notched Hammer compatible with 9mm use - Caliber: Multi
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my Ar-15 pistol specs
CHF 12'' 5.56mm 1:7 A2 Profile Barrel Length: 12" Barrel Material: Cold Hammer Forged Chrome Moly Vanadium Steel Barrel Specifications: Extra-thick Chrome-lined Bore - 5.56mm NATO Chamber - 1 in 7" Twist Rate Bolt Carrier Group: M16 Full auto profile carrier - Carpenter 158 Bolt - Grade 8 Gas key Screws Barrel: Barrel is made by FN Manufacturing using their proprietary blend of hammer forged chrome molly vanadium that is referred to as "Machine Gun Steel" by virtue of its use in FN's M249 and M240 weapons. The hammer forging process work hardens the steel, making it more durable. In addition, the chrome process for the bore allows for a lining almost twice as thick as a standard M16 for enhanced durability. Chambered in 5.56 NATO, with a 1/7 twist, M4 barrel extension with extended feedramps, and a carbine gas system. The barrel has an A2 style profile, is mil-spec phosphate coated, and MP/HP tested. The upper is finished off with an F-marked front sight post with sling swivel, and an A2 flash hider. Upper: Forged 7075-T6 A3 AR upper is made to MIL-SPECS and hard coat anodized black for durability. Featuring machined T marks, and a mil-spec finish. These uppers are made f right here in the USA by a mil-spec manufacturer. Bolt: Bolt is made of Mil-spec shot-peened Carpenter 158 steel. Gas key is secured with grade 8 fasteners and staked per mil-spec. Bolt carrier is parkerized outside, and chrome lined inside. I upgraded the Extractor Spring - Extractor O-ring Insert w/ BCM Extractor Spring - Extractor O-ring kit.
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Building my own ARs to mil-spec "battle ready" (less the "full auto" feature) is a lot of fun. Takes only a couple hours or less to complete the build, the wait time on the parts is what take the longest time.
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