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Upper Receiver Parts

72 of 92 Items
  • BCM GUNFIGHTER KAG Hand Stop (Picatinny Mount) BCM GUNFIGHTER KAG Hand Stop (Picatinny Mount) BCM GUNFIGHTER KAG Hand Stop (Picatinny Mount) BCM GUNFIGHTER KAG Hand Stop (Picatinny Mount) BCM GUNFIGHTER KAG Hand Stop (Picatinny Mount)

    BCM GUNFIGHTER KAG Hand Stop (Picatinny Mount)

    The KAG or Kinesthetic Angled Grip, is the end result of collaboration between BCM® and Travis Haley, founder of Haley Strategic Partners and inventor of multiple weapons manipulation enhancements in the firearms industry. Designed to...

    $19.95
    OUT OF STOCK
  • Sionics M4 Upper Receiver Assembly

    Sionics M4 Upper Receiver Assembly

    The Sonics Mil-Spec AR upper receiver is a an awesome choice to start your build. This is essentially the same stripped upper that other big-name companies use, at a much more attractive price.   Features: Precision...

    $119.95
    OUT OF STOCK
  • Sionics NP3 AR Bolt Assembly (HP/MPI)

    Sionics NP3 AR Bolt Assembly (HP/MPI)

    YES, NP3 is better than NiB...  With the NP3 coating, this bolt reduces friction in all wear points and cleans up with a rag. This is our favorite bolt on the market.  Sionics bolts assemblies are manufactured from Carpenter 158® Steel...

    $84.95
    OUT OF STOCK
  • VLTOR MUR Modular Upper Receiver VLTOR MUR Modular Upper Receiver

    VLTOR MUR Modular Upper Receiver

    The MUR is a rigid Mil-Spec flat-top upper made to fit all AR15/M16 M4 rifles and carbines. The MUR was developed to give the customer a Mil-Spec correct upper receiver with a thicker wall, making the MUR upper receiver a stronger platform. This more...

    $179.95
    OUT OF STOCK
  • LMT 14.5" 5.56 Upper Receiver

    LMT 14.5" 5.56 Upper Receiver

    This is a great base upper to start your next SBR build.  Features: Standard flat-top upper receiver 14.5″ chrome lined 1:7″ twist 5.56 caliber Utilizes the mil-spec barrel nut and delta ring assembly to affix the...

    $559.00
    OUT OF STOCK
  • LMT 16" 5.56 Upper Receiver

    LMT 16" 5.56 Upper Receiver

    This is a great base upper to start your next AR carbine build.  Features: Standard flat-top upper receiver 16″ chrome lined 1:7″ twist 5.56 caliber Utilizes the mil-spec barrel nut and delta ring assembly to affix the...

    $559.00
    OUT OF STOCK
  • LMT Semi-Auto Enhanced 5.56 Bolt Carrier

    LMT Semi-Auto Enhanced 5.56 Bolt Carrier

    If our standard bolt carrier is the infantryman of the gun industry, then our enhanced carrier is the delta operator. This carrier was designed to function effectively in semi-auto, suppressed, and short barrel weapon systems, and it is made of materials...

    $169.00
    OUT OF STOCK
  • LMT 5.56 Firing Pin Retaining Pin

    LMT 5.56 Firing Pin Retaining Pin

    Great idea to keep a spare firing pin retaining pin in your kit. Whether lost or broken, these little pieces can disable your weapon until replaced.  Features: True Mil Spec Part For standard AR bolt carrier groups MADE IN USA NSN:...

    $3.50
    Add to Cart
  • LMT 5.56 Firing Pin

    LMT 5.56 Firing Pin

    Its a good idea to keep a spare firing pin in your kit and even more important to replace your firing pin IF it's from a questionable manufacturer.  The LMT Firing pin is a true Mil-Spec firing pin with an NSN#. Features: Made for AR-15/M4/M16...

    $6.39
    OUT OF STOCK
  • LMT 10.5" 5.56 Upper Receiver

    LMT 10.5" 5.56 Upper Receiver

    This is a great base upper to start your next AR Pistol or SBR build.  Features: Standard flat-top upper receiver 10.5″ chrome lined 1:7″ twist 5.56 caliber Utilizes the mil-spec barrel nut and delta ring assembly to affix the...

    $559.00
    OUT OF STOCK
  • LMT Full-Auto Enhanced 5.56 Bolt Carrier

    LMT Full-Auto Enhanced 5.56 Bolt Carrier

    If our standard bolt carrier is the infantryman of the gun industry, then our enhanced carrier is the delta operator. This carrier was designed to function effectively in full-auto, suppressed, and short barrel weapon systems, and it is made of materials...

    $169.00
    OUT OF STOCK
  • Bushmaster LOST PARTS KIT (Springs & Pins)

    Bushmaster LOST PARTS KIT (Springs & Pins)

    ***We do not recommend this kit for a new build*** However, this is a great kit to keep in your range bag for emergency gunsmithing that may happen at the range.  Includes commonly lost small parts for the AR-15:  Takedown Pin Detents...

    $17.00
    OUT OF STOCK
  • Geissele Super Charging Handle (SCH) 5.56 DDC

    Geissele Super Charging Handle (SCH) 5.56 DDC

    The Super Charging Handle (SCH®) is 3D machined from a solid block of aircraft grade 7075-T6 aluminum. Its ambidextrous design allows for seamless operation from either side of the weapon. The levers are dual contoured similar to that of the...

    $99.00
    OUT OF STOCK
  • Geissele Super Charging Handle (5.56, Black DLC)

    Geissele Super Charging Handle (5.56, Black DLC)

    The Super Charging Handle (SCH®) is 3D machined from a solid block of aircraft grade 7075-T6 aluminum. Its ambidextrous design allows for seamless operation from either side of the weapon. The levers are dual contoured similar to that of the...

    $89.00
    OUT OF STOCK
  • Midwest Industries Combat Rifle Offset Sight Set Midwest Industries Combat Rifle Offset Sight Set Midwest Industries Combat Rifle Offset Sight Set Midwest Industries Combat Rifle Offset Sight Set Midwest Industries Combat Rifle Offset Sight Set

    Midwest Industries Combat Rifle Offset Sight Set

    For AR15/M4/M16 Firearms and other continuous rail platforms Fully ambidextrous, can be installed to the left or the right side of the firearm MI Combat Rifle Offset Sight- Front Low Profile design doesn't obscure field of view Uses standard A2...

    $169.95
    OUT OF STOCK
  • Sionics AR-15 Crush Washer

    Sionics AR-15 Crush Washer

    The Sionics Crush Washer is a true Mil-Spec part. We recommend changing your crush washer ever time you remove the muzzle device from your AR. Made for AR-15 5.56/300AAC barrels Not for 308 barrels True Mil-Spec Part Sold individually  MADE...

    $2.49
    Add to Cart
  • Sionics Gas Tube Roll Pin

    Sionics Gas Tube Roll Pin

    The Sionics Gas Tube Roll Pins are a true Mil-Spec product. We recommend replacing roll pins every time they are knocked out.  Mil-Spec part Perfect Fit Sold individually  Do not Reuse Roll Pins! MADE IN USA

    $0.95
    Add to Cart
  • SIONICS V3 13.5" M-LOK Rail SIONICS V3 13.5" M-LOK Rail

    SIONICS V3 13.5" M-LOK Rail

    The SIONICS Weapon Systems 13.5” V3 M-LOK Rail fits AR-15-sized rifles. Features: Manufactured from 6061-T6 Aluminium Handguard weighs 10.2oz 1.38” Inner Diameter 1.59” Outside Diameter Flat to Flat Limited Rotation QD sockets...

    $159.95
    OUT OF STOCK
  • SIONICS V3 10.5" M-LOK Rail SIONICS V3 10.5" M-LOK Rail

    SIONICS V3 10.5" M-LOK Rail

    The SIONICS Weapon Systems 10.5” V3 M-LOK Rail fits AR-15-sized rifles.  Features: Manufactured from 6061-T6 Aluminium Handguard weighs 8.2oz 1.38” Inner Diameter 1.59” Outside Diameter Flat to Flat Limited Rotation QD...

    $149.99
    OUT OF STOCK
  • BCM GUNFIGHTER KAG Hand Stop (M-LOK) BCM GUNFIGHTER KAG Hand Stop (M-LOK) BCM GUNFIGHTER KAG Hand Stop (M-LOK) BCM GUNFIGHTER KAG Hand Stop (M-LOK)

    BCM GUNFIGHTER KAG Hand Stop (M-LOK)

    The KAG or Kinesthetic Angled Grip, is the end result of collaboration between BCM® and Travis Haley, founder of Haley Strategic Partners and inventor of multiple weapons manipulation enhancements in the firearms industry. Designed to...

    $18.95
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  • BCM GUNFIGHTER Compensator MOD 0 - 5.56

    BCM GUNFIGHTER Compensator MOD 0 - 5.56

    The BCM GUNFIGHTER Comp is an excellent choice if you are looking for a hybrid-style comp/flash hider for tactical applications to reduce muzzle rise, flash signature, noise, and lateral pressure. Exterior dimensions consistent with Mil-specs for...

    $89.95
    OUT OF STOCK
  • BCM M4 Upper Receiver Assembly (w/ Laser T-Markings) BCM M4 Upper Receiver Assembly (w/ Laser T-Markings) BCM M4 Upper Receiver Assembly (w/ Laser T-Markings)

    BCM M4 Upper Receiver Assembly (w/ Laser T-Markings)

    Built to the correct Mil-Specs(Inside Diameter for barrel extension slightly undersized for a tighter fit to the barrel and a more accurate rifle. Please use a heat gun or hair dryer to warm up threaded bore of receiver if barrel extension is too tight...

    $119.00
    OUT OF STOCK
72 of 92 Items

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