BG Defense

Custom Built TYPE-A Rifles, Firearms

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This SPR-4 Pistol is chambered in 9mm.
This platform is built on a 4" Lightweight contour 416R stainless steel barrel with a 1/2X36 thread pitch.
Our G9 platform is Glock Compatible allowing you to run your existing colt 9mm magazines.
Our 9mm Carriers go through a R.E.M Polish process prior to Nitride coating. The R.E.M Polish process reduces friction, improves part durability, improves oil retention, and improves contact & bending fatigue. Our 9mm Bolt Carrier Groups are Colt and Glock interchangeable
Our pistols run an fully adjustable 45/90 degree short throw safety selector and an extended magazine release to give you that perfect feel.
Our pistols run a fully adjustable 45/90 degree short throw safety selector and an extended magazine release to give you that perfect feel. Our charging handle is fully Ambi giving you complete control from either side.
This rifle runs our TYPE-A PMC Two-Stage Trigger. Constructed from pre-hardened 4140 this trigger is coated in Nickel Teflon to fight against friction and to ensure lubricity. The PMC Two-Stage Trigger ships at 1 1/2 reset to 3 1/2 trigger pull.

MICRO 4 G9 9MM PDW (GLOCK COMPATIBLE)

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Quick Specs

CALIBER: 9mm (Colt Mags)
CLASSIFICATION: PDW PISTOL
BARREL LENGTH: 4″
HANDGUARD: SPR-3.25 GEN3
GAS SYSTEM: Blowback
GAS LENGTH: N/A
TRIGGER: 2-Stage
MUZZLE: ASR Suppressor Ready
BCG: QPQ W/R.E.M Polish
OVERALL LENGTH: 18″ OAL
FIRE SELECTOR: Ambi-Short Throw Adjustable
WEIGHT: Classified

 

Description

This TYPE-A SPR-4 Micro is built on our all new G9 lower platform with upgraded mil-spec components to make it an incredibly versatile firearm. The SPR-4 Micro Pistol is equipped with a 4″ 416R Stainless Steel barrel (for weight reduction) and a SPR-3.250 GEN2 MLOK Handguard with an ASR Ready muzzle brake to give it that aggressive stance. Fully furnished with B5 furniture, Maxim PDW,  and 33 round capacity magazines. The TYPE-A SPR-4 Micro Pistol is driven by our TYPE-A QPQ coated bolt carrier group w/R.E.M. Polish. This BCG is both Colt and Glock compatible.  It’s also equipped with our improved TYPE-A PMC Straight 2-stage trigger to give it consistent reliability time after time.

NOTE:  All of our pistols are Hardcoat Anodized and then Cerakoted to give you a longer lasting more durable finish.  We wanted your rifle to wear to the anodized finish vs. the raw aluminum surface.  Just another added benefit making your rifle….TYPE-A.

Colors Available (Shown in OD GREEN)

  • Magpul™ Flat Dark Earth (H-267Q)
  • Sig™Dark Grey (H-210Q)
  • Noveske™ Bazooka Green (H-189Q))
  • Tungsten (H-237Q)
  • Magpul™ Olive Drab (H-232Q)

Features

*(OPTICS/LIGHTS NOT INCLUDED)

BARREL

  • Caliber: 9mm (Glock Mags)
  • Length: TYPE-A 4″ Lightweight Contour Barrel
  • Material: 416R Stainless Steel
  • Twist Rate: 1:10 twist
  • Finish: Matte Finish
  • Thread: 1/2×36
  • Muzzle Device: ASR Ready Muzzle Brake – 1/2×36

UPPER RECEIVER

  • Platform: SPR GEN3 Precision Machined 7075-t6 Aluminum Upper Receiver with Extended Feed Ramps
  • Finish: Option
    • Black – MIL-A-8625, Type-III, Class 2
    • Color – Type-III Anodizing with Cerakote Ceramic Coatings
  • Charging Handle: TYPE-A Ambi Charging Handle

·      BOLT GROUP: TYPE-A QPQ W/REM POLISH BOLT GROUP

·      CARRIER:
    • Semi-Auto Bolt
    • Grade 8 Hardened Fasteners
    • Coating: QPQ
·      BOLT ASSEMBLY:
    • Case Hardened & Shot Peened
    • Extractor (Fully Assembled)

LOWER RECEIVER

  • Platform: SPR G9 Precision Machined 7075-t6 Aluminum Lower Receiver – Colt
  • Finish: Option
    • Black – MIL-A-8625, Type-III, Class 2
    • Color – Type III Anodizing with Cerakote Ceramic Coatings
  • Trigger: TYPE-A PMC 2-Stage Straight Trigger (3.5lb.)
  • Extension: Maxim PDW
  • End Plate: N/A
  • Fire Selector: TYPE-A Ambi Billet 90°/45° Adjustable Short Throw Selector
  • Magazine Release: TYPE-A Extended Billet Mag Release
  • Lower Parts: Stainless Steel and Aluminum Detent/Springs

HANDGUARD/RAIL

  • Platform: Option
    • TYPE-A SPR-4 GEN3 Ultra Lite M-LOK Handguard (8.3 oz.)
  • Finish: Option
    • Black – MIL-A-8625, Type-III, Class 2
    • Color – Type-III Anodizing with Cerakote Ceramic Coatings

FURNITURE

  • Stock: Maxim PDW
  • Grip: B5 P-Grip – BLK

ACCESSORIES (INCLUDED W/PISTOL)

  • Magazine: DURAMAG 33 Round Stick Magazine
  • Soft Case: 36″ Single Rifle Case
  • ****please note: All NFA rules apply. Please check with your local state laws.
  • ****Please note: Optic & Can not included

Colors Available (Shown in OD GREEN)

  • Magpul™ Flat Dark Earth (H-267Q)
  • Sig™Dark Grey (H-210Q)
  • Noveske™ Bazooka Green (H-189Q))
  • Tungsten (H-237Q)
  • Magpul™ Olive Drab (H-232Q)

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Adjusting Your Gas

"If you’re running a rifle with an adjustable gas block, consider the following process for finding your sweet spot. First, close the gas port almost all the way. This means bottoming out the gas port screw and then backing off ¼ turn. Then insert a 1-round mag and fire. If the round doesn’t eject, open the gas port screw another ¼ turn and repeat. Continue this procedure until the casing ejects and the bolt locks back on the empty mag. Once you get good ejection and bolt lock open, open the gas port screw one more ¼ turn. This is your minimum setting for reliable function. Beyond this, you’ll want to group tune the rifle. Your barrel will group differently based on gas setting. If you’re selected ammo is performing good at your minimum setting, then great. If not, then try firing 3 round groups in ¼ turn increments up to 1 whole turn. You should find some improvement in this range."

    -Jason Gady

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