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KAK Complete AR15 Upper Receiver – 7.62×39 – 16″ Barrel – 13″ MLOK

Name: KAK Complete AR15 Upper Receiver &#8211; 7.62&#215;39 &#8211; 16&#8243; Barrel &#8211; 13&#8243; MLOK
SKU: PT_KAK_AR-15_7.62_UPPER
Price: 534.99 USD
Availability: InStock

Original price was: $599.99.Current price is: $534.99.

KAK Brand AR-15 7.62×39 16″ complete upper

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SKU: PT_KAK_AR-15_7.62_UPPER Categories: 3D Print, 3D Project Parts, AK47, AR-00 Zero Percent Rifle, AR15, Best Sellers, GHOST GUNNER, New Products, Parts, Rifles, Zero Percent

Description

Upper

Barrel Length- 16”
Barrel Material- 41V50 Button Rifled Barrel
Chamber 7.62×39
Twist Rate 1:9.5
Muzzle Device Milspec A2 birdcage 5/8-24
Extension- M4
Gas System- Carbine length
Gas Block- Low profile .750 Nitride Finish
Upper Receiver- Forged 7075 T6 Aluminum, Precision Machined to M16/M4 Spec
Handguard- 13”, High Quality 6061 T6 Material Mlok with Proprietary Clamping System and Heavy-Duty Barrel Nut

BCG (Milspec BCG by default, K-SPEC Upgrade available)

M16 Auto Profile Carrier Machined from Aircraft/ Bearing Quality 8620 Steel, Properly Heat Treated, Ground to Perfection, BlackNitride Finish by H&M
Bolt is machined from a single piece aircraft/bearing quality 9310 steel, heat treated properly, precision ground, Shot Peened and MPI’d
Firing pin is machined to the mil-spec print from 8740, precision ground, and chrome plated
One Piece Billet Fully Machined Enhanced Extractor, Phosphate coated for Increased reliability and corrosion resistance
Nitride Cam Pin
S7 tool steel ejector and extractor retaining pin
4130 Gas Key, nitride, precision staked using our hydraulic staking machine
KAK Carrier Key Screws- T25 drive, Grade 8, Properly Heat Treated

quality parts

Build them right with quality parts and they run well. X39 got a bad rap in ARs from people buying and building junk. 5.56 is way more forgiving in a crap build than x39 is. If you want a DI gun KAK is the way to go. If you want pistion just go with a PWS long stroke or BRN 180 short stroke upper if you want to fold it.

Enlarge the gas port

I had two issues on my build , first Was I had to enlarge the gas port on my ballistic advantage barrel and second I was getting light primer strikes, a right to bear arms enhanced firing pin fixed that . You don’t need a heavy hammer spring . My round count is still under 500 rounds so I can’t speak much as far as reliability for the faxon x39 bolt and carrier group except that I had to change the firing pin . In my book the only mags that exist for this application are c products defense . I went this route because I had spare ar parts I plan on having an Ak in the near future .

KAK Complete AR15 Upper Receiver – 7.62×39 – 16″ Barrel – 13″ MLOK

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