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You can find the KAK Industry K-SPEC Enhanced BCG C158 5.56/300 Chrome Lined Phosphate here Fast FREE shipping on this item!
The KAK Industry K-SPEC Enhanced Bolt Carrier Group is packed with features focused on increasing the reliability of your AR-15, regardless of whether it is suppressed or unsuppressed. The K-SPEC requires no additional tuning or tweaking of the gas or recoil systems to run reliably. The K-SPEC features an M16 full auto profile, slotted angled carrier rails, downward gas vents, and dual ejectors on the bolt. The K-SPEC Enhanced Bolt Carrier Group is 100% made in the USA.
The Slotted Angled Carrier Rails are strategically located with angle cuts in the rails designed to disperse debris into noncritical areas, resulting in ultra-high functionality in the toughest conditions, including suppressor fouling and foreign contaminants.
The Downward Gas Vents reduce the amount of debris and gas vented towards the shooter's face. The two standard gas relief ports have been relocated from the ejection port side of the K-SPEC carrier and placed underneath, in the magazine feed lip channels. Two additional emergency relief ports have also been added to the bottom of the carrier to mitigate structural damage in the event of a case head separation. Testing has shown that venting the gases through the magazine well has no negative impact on the feeding or function of the magazine or ammunition, and any added heat is negligible.
The Dual Ejector system features two Mil-Spec ejectors and springs that require no proprietary parts. Ejector holes are centered on the lugs to avoid any reduction in the strength of the bolt. The dual ejector system increases the ejection reliability and adds consistency to the ejection pattern.
Features:
- Caliber: 5.56/300 Blackout
- Designed to function reliably in the toughest conditions
- Optimized for both Suppressed and Un-suppressed use
- Dual Ejectors for enhanced reliability
- Angled Carrier Rail Cuts for flawless function in adverse conditions and prolonged suppressed use
- Downward Gas Ports to reduce gas blowback to shooter
- Full Auto Profile
- Permatex added between Gas Key and Carrier Mating Surface
- Carrier: 8620 steel, outside rails, bolt runs, and gas bores ground to .0002 tolerances, chrome lined phosphate finish
- Bolt: C158 steel, outside diameters ground to .0002 tolerances, MPI test, phosphate finish
- Firing Pin: 8740 steel, Swiss turned, heat treated, precision ground, chrome plated
- Cam Pin: 4140 steel, Swiss turned, heat treated, Phosphate finish
- Extractor: 4140 steel, fully machined, Phosphate finish
- Extractor pin: S7 tool steel, ground, heat treated
- Ejector: S7 tool steel, ground, heat treated
- Gas key: 4130 steel, heat treated, secured with T25 torx fasteners, torqued to spec, staked with hydraulic staking machine, Chrome lined phosphate
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