AR15 Lower Receiver Parts & Kits

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  Complete AR15 Rifle or Pistol build

  Rated 5.00 out of 5
  $0.00

  86 in stock  

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  BKF AR15 Grip Screw Lock Washer

  Rated 4.98 out of 5
  $0.16 Original price was: $0.16.$0.12Current price is: $0.12.

  6992 in stock  

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  BKF AR15 Pivot/Takedown Detent Spring

  Rated 4.98 out of 5
  $0.24 Original price was: $0.24.$0.19Current price is: $0.19.

  16927 in stock  

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  BKF AR15 Buffer Retainer Spring

  Rated 4.96 out of 5
  $0.24 Original price was: $0.24.$0.19Current price is: $0.19.

  34532 in stock  

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  BKF AR15 Bolt Catch Spring

  Rated 4.96 out of 5
  $0.28 Original price was: $0.28.$0.22Current price is: $0.22.

  16471 in stock  

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  AR15 Grip Screw

  Rated 5.00 out of 5
  $0.35 Original price was: $0.35.$0.27Current price is: $0.27.

  Out Of Stock

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  BKF AR15 Bolt Catch Coiled Roll Pin

  Rated 4.94 out of 5
  $0.36 Original price was: $0.36.$0.28Current price is: $0.28.

  1295 in stock  

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  BKF AR15 Disconnect Spring

  Rated 5.00 out of 5
  $0.36 Original price was: $0.36.$0.28Current price is: $0.28.

  11463 in stock  

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  BKF AR15 Trigger Guard Coiled Roll Pin

  Rated 4.97 out of 5
  $0.44 Original price was: $0.44.$0.34Current price is: $0.34.

  6542 in stock  

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  BKF AR15 Safety Selector Spring

  Rated 4.96 out of 5
  $0.48 Original price was: $0.48.$0.37Current price is: $0.37.

  17613 in stock  

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  BKF AR15 Ejection Port Cover Rod C-Clip

  Rated 4.86 out of 5
  $0.48 Original price was: $0.48.$0.37Current price is: $0.37.

  Out Of Stock

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  BKF AR15 Ejector Roll Pin

  $0.48 Original price was: $0.48.$0.37Current price is: $0.37.

  1274 In stock

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  BKF Magazine Catch Spring

  Rated 4.97 out of 5
  $0.60 Original price was: $0.60.$0.46Current price is: $0.46.

  12856 In stock

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  BKF AR15 Trigger Spring

  Rated 5.00 out of 5
  $0.64 Original price was: $0.64.$0.50Current price is: $0.50.

  14343 in stock  

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  BKF AR15 / AR10 Gas Key Screw

  $0.72 Original price was: $0.72.$0.56Current price is: $0.56.

  1 In stock

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  BKF AR15 Hammer Spring

  Rated 5.00 out of 5
  $0.80 Original price was: $0.80.$0.62Current price is: $0.62.

  23971 in stock  

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  BKF AR15 Firing Pin Retaining Pin

  Rated 4.96 out of 5
  $0.84 Original price was: $0.84.$0.65Current price is: $0.65.

  989 in stock  

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  BKF AR15 Bolt Catch Plunger

  Rated 4.98 out of 5
  $1.16 Original price was: $1.16.$0.90Current price is: $0.90.

  16044 in stock  

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  BKF AR15 Selector Detent

  Rated 4.94 out of 5
  $1.24 Original price was: $1.24.$0.96Current price is: $0.96.

  8893 in stock  

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  BKF AR15 Grip Screw

  Rated 5.00 out of 5
  $1.40 Original price was: $1.40.$1.08Current price is: $1.08.

  1562 in stock  

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  BKF AR15 Carbine Buffer Spring Mil Spec

  Rated 4.97 out of 5
  $1.68 Original price was: $1.68.$1.30Current price is: $1.30.

  5262 in stock  

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  BKF AR15 Takedown/Pivot Pin Detents

  Rated 4.98 out of 5
  $1.68 Original price was: $1.68.$1.30Current price is: $1.30.

  10343 in stock  

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  BKF AR15 Extractor Retainer Pin – Nitride

  Rated 5.00 out of 5
  $1.96 Original price was: $1.96.$1.52Current price is: $1.52.

  267 in stock  

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  BKF AR15 Extractor O-Ring

  $2.00 Original price was: $2.00.$1.55Current price is: $1.55.

  446 in stock  

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  BKF AR15 Receiver Extension End Plate – Mil Spec

  Rated 4.86 out of 5
  $2.28 Original price was: $2.28.$1.77Current price is: $1.77.

  15402 in stock  

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  BKF M16 Mil Spec Auto (Sear Pin Only)

  Rated 5.00 out of 5
  $2.32 Original price was: $2.32.$1.80Current price is: $1.80.

  864 In stock

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  BKF AR15 Mag Release Button

  Rated 4.94 out of 5
  $2.60 Original price was: $2.60.$2.02Current price is: $2.02.

  1409 in stock  

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  BKF AR15 Buffer Retaining Pin

  Rated 4.93 out of 5
  $2.64 Original price was: $2.64.$2.05Current price is: $2.05.

  6467 in stock  

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  BKF AR15 Extractor Spring

  $3.00 Original price was: $3.00.$2.33Current price is: $2.33.

  241 in stock  

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  BKF AR15 Extractor Spring Insert

  $3.00 Original price was: $3.00.$2.33Current price is: $2.33.

  224 in stock  

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  BKF AR15 Hammer/Trigger Pins

  Rated 4.97 out of 5
  $3.12 Original price was: $3.12.$2.42Current price is: $2.42.

  5402 In stock

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  BKF AR15 Receiver Extension End Plate – Nitride

  Rated 4.95 out of 5
  $3.40 Original price was: $3.40.$2.63Current price is: $2.63.

  2030 in stock  

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  BKF Mil-Spec AR15 OR LR308 (DPMS) Receiver Extension Castle Nut Mil Spec

  Rated 4.94 out of 5
  $3.45 Original price was: $3.45.$2.67Current price is: $2.67.

  2774 In stock

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  BKF AR15 Hammer/Trigger Pins – Nitride

  Rated 5.00 out of 5
  $3.52 Original price was: $3.52.$2.73Current price is: $2.73.

  1206 in stock  

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  BKF AR15 Receiver Tension Screw

  $3.68 Original price was: $3.68.$2.85Current price is: $2.85.

  1122 in stock  

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  BKF AR15 Billet Extended Mag Release Button – Basketweave

  Rated 4.93 out of 5
  $3.75 Original price was: $3.75.$2.91Current price is: $2.91.

  Out Of Stock

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  BKF AR15 Billet Extended Mag Release Button – Middle Finger

  Rated 5.00 out of 5
  $3.75 Original price was: $3.75.$2.91Current price is: $2.91.

  9 In stock

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  BKF AR15 Billet Extended Mag Release Button – Flag

  Rated 5.00 out of 5
  $3.75 Original price was: $3.75.$2.91Current price is: $2.91.

  20 In stock

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  BKF AR15 Billet Extended Mag Release Button – Punisher

  Rated 5.00 out of 5
  $3.75 Original price was: $3.75.$2.91Current price is: $2.91.

  9 In stock

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  BKF AR15 Billet Extended Mag Release Button – $$$

  Rated 5.00 out of 5
  $3.75 Original price was: $3.75.$2.91Current price is: $2.91.

  23 In stock

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  BKF AR15 Billet Extended Mag Release Button – We The People

  Rated 5.00 out of 5
  $3.75 Original price was: $3.75.$2.91Current price is: $2.91.

  10 In stock

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  BKF AR15 Billet Extended Mag Release Button – BKF

  Rated 5.00 out of 5
  $3.75 Original price was: $3.75.$2.91Current price is: $2.91.

  16 In stock

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  BKF AR15 Billet Extended Mag Release Button – V

  Rated 4.80 out of 5
  $3.75 Original price was: $3.75.$2.91Current price is: $2.91.

  22 In stock

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  BKF AR15 Lower Spring Kit

  Rated 4.86 out of 5
  $3.88 Original price was: $3.88.$3.01Current price is: $3.01. UPC: 810124540173

  8463 In stock

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  BKF AR15 Carbine Buffer Spring Mil Spec 17-7 Stainless Steel

  Rated 4.95 out of 5
  $3.90 Original price was: $3.90.$3.02Current price is: $3.02.

  1418 In stock

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  BKF M16 A1 Buttstock Screw

  Rated 5.00 out of 5
  $3.96 Original price was: $3.96.$3.07Current price is: $3.07.

  45 in stock  

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  BKF AR15 A2 Rifle Length Buffer 17-7 Spring- Mil Spec

  Rated 5.00 out of 5
  $4.00 Original price was: $4.00.$3.10Current price is: $3.10.

  528 In stock

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  BKF M16 Mil Spec Full Auto Disconnect

  $4.00 Original price was: $4.00.$3.10Current price is: $3.10.

  Out Of Stock

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