AR15 Complete Build Kit – Alpha 16″ 5.56

Description

AR15 Complete Build Kit – Alpha 16″ 5.56

S2 Armament proudly offers Complete Build Kits which hold our outstanding Limited Lifetime Warranty.  Boasting quality you would expect from our products, such as our extremely tight tolerance Bolt Carrier Groups, all uppers are hand-assembled and inspected for perfection.  Complete kits also come with our custom Mil-spec Lower parts kits that insure unmatched consistency and reliability.  With every kit you will get a lower parts kit, Complete upper with BCG/Charging handle, buffer tube kit, stock, and Pistol grip.  SIGHTS and a MAGAZINE are INCLUDED making this a truly complete kit that will serve you for a lifetime with any task at hand.  S2 Armament Complete Build Kits are the perfect way to finish any mil-spec lower.

Upper Receiver :  S2 Armament Forged Upper Receiver

• Forged 7075-T6 Aluminum
• Type 3 hard-coat anodized
• M4 feed ramps
• S2 Armament lasered dust cover, proudly displaying the US and AZ flags

 

BARREL : S2 Armament Contract 16″ Government Profile Barrel

• 4150 Chrome Moly Vanadium steel
• Nitride Finish
• Nitride-coated M4 feed ramp extension
• .750″ gas journal
• 1:7 Twist
• Mid-length gas system
• 1/2×28 thread pitch
• A2 Flash Hider
• S2 Armament tight tolerance gas block, lasered with the AZ and US flags

 

HANDGUAD : S2 Armament 15″ M-Lok Handguard

• 100% made in the USA
• 4140 heat-treated barrel nut
• 6061 Aluminum Type 3 hard-coat anodized
• M-Lok Mounting on 3, 6, and 9 O’ clock Positions
• Provides continuous monolithic look with full length upper rail
• 1.250” internal diameter

 

BCG : S2 Armament M16 Bolt Carrier Group: Nitride

• 100% made in the USA
• M16 carrier, O.D. ground and held to a tight tolerance
• Nitride coated
• Machined from 8620 steel
• Heat-treated
• Bolt machined from 9310 steel
• Magnetic Particle Inspected (MPI)
• Gas key machined from solid billet 4140 steel
• Properly seated with Grade 8 fasteners
• Properly staked gas key
• Lasered with the S2 Armament Logo

 

Charging Handle : Radian Raptor Ambidextrous Charging Handle

• 7075 T6 Aluminum
• Milspec anodized
• Charges from both latches

 

Lower parts kit : S2 Armament Custom Cut Mil-Spec Kit

• 100%  Made In The USA
• Phosphate Finish
• Custom Cut and Ground for Better interfacing of hammer and trigger
• 4-5.5lb pull with little to no creep
• faster reset

 

Buffer System : S2 Armament Carbine Buffer Kit – QD

• 100% American Made
• Buffer Tube, 7075-T6 6 Position, Hard Coat Anodized
• Carbine Buffer—3.8 ounces
• Castle Nut, Phosphate
• Phosphate End plate, Quick Detach Sling Swivel Non Rotational

 

Stock and Pistol Grip :  Multi Option

• S2 Armament A2 Stock and Grip
• Magpul CTR Stock and K2 Grip
• B5 Systems Bravo Stock and Type 23 rip

 

Sights : MagPul MBUS G2 or G3

• Made in the USA
• Gen 2 or Gen 3 Based on stock on hand

 

Magazine : Lancer L5AWM

• Made in the USA
• Hybrid Design
• Steel reinforced feed lips
• 30rd capacity
• High density polymer