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BKF AR15 Receiver Extension Castle Nut – Nitride

(98 customer reviews)

$3.64

116 in stock

Description

This is our standard AR-15 Mil-Spec carbine buffer tube/receiver extension castle nut coated by H&M nitride

Features:

  • 4140 Tool Steel construction
  • Nitride finish
  • Fits: AR-15 or LR308 Buffer Tubes

PRODUCT SKU: BKF-CN-N

Additional information

Weight .1 lbs
Dimensions 4 × 4 × 1 in
BKF Warehouse Location

98 reviews for BKF AR15 Receiver Extension Castle Nut – Nitride

  1. James Stanley (verified owner)

  2. Anonymous (verified owner)

  3. JOSE P. (verified owner)

    Great quality and fast shipping

  4. Steven W. (verified owner)

  5. Joseph G (verified owner)

    Nice finish, great threads, good staking notches. BKings is the best.

  6. Christopher Dobek (verified owner)

  7. Wayne H. (verified owner)

  8. Bob Otley (verified owner)

  9. James Dodson (verified owner)

  10. Tom J. (verified owner)

    Priced right

  11. Bobby M. (verified owner)

    Champagne quality at beer price!

  12. Tom J. (verified owner)

    Parts priced right

  13. Cody H. (verified owner)

    Great fit and finish

  14. William Schulz (verified owner)

  15. Jordan M. (verified owner)

  16. Tom Spaulding (verified owner)

  17. Ethan aldridge (verified owner)

  18. Robert L. (verified owner)

    Just what I needed at a great price.

  19. Tom J. (verified owner)

    Parts priced right

  20. Guy Letourneau (verified owner)

    Thanks

  21. Richard Gower (verified owner)

  22. Greg (verified owner)

  23. Anonymous (verified owner)

    Worked perfect to complete buffer kit

  24. Charles Stallings (verified owner)

  25. Rob (verified owner)

  26. Gaylon B. (verified owner)

  27. Jamie Harrison (verified owner)

  28. Josiah (verified owner)

    Good Quality for good prices. This is my new Favorite company to order from

  29. Joel D. (verified owner)

    Clean threads and good finish.

  30. RONALD (verified owner)

  31. Curtis Winnie (verified owner)

    black nitride only $1.72 you cant find a better deal

  32. Ken (verified owner)

    fit and finish were great. Was the only thing keeping me from finishing my build. Works great and looks good.

  33. Anonymous (verified owner)

  34. Dennis bills (verified owner)

    Nice.

  35. Dane S. (verified owner)

  36. Scot N. (verified owner)

    Works as it shouls

  37. Victor S. (verified owner)

    Purchased as spare parts

  38. Tom J. (verified owner)

    Quality parts at a fair price

  39. Mark (verified owner)

  40. Wesley Terry (verified owner)

  41. Anonymous (verified owner)

  42. Anonymous (verified owner)

  43. Anonymous (verified owner)

  44. Anonymous (verified owner)

  45. Rollin (verified owner)

    Worked great

  46. David (verified owner)

  47. David Smith (verified owner)

  48. James H. (verified owner)

    My new and only go to place.

  49. Danilo C. (verified owner)

  50. Chad (verified owner)

    Fit like it should. Excellent price.

  51. Richard (verified owner)

  52. Wesley (verified owner)

  53. charles watson (verified owner)

  54. Robert S. (verified owner)

  55. Nathaniel M. (verified owner)

    Great price

  56. Jefferey P. (verified owner)

  57. Wesley Terry (verified owner)

  58. David S. (verified owner)

  59. Duane P. (verified owner)

  60. Kevin R. (verified owner)

  61. Aaron Starnes (verified owner)

  62. Tyson Phalen (verified owner)

  63. Anonymous (verified owner)

  64. Jaime (verified owner)

  65. Stephen Morgan (verified owner)

  66. mathew vieira (verified owner)

  67. Anonymous (verified owner)

    Solid part

  68. Arthur (verified owner)

    Picked the Buffer tube up from BKF for a 9MM PCC build with a fixed Magpul Stock and folding knuckle, Turned out Bass Ace and shoots even better along with the castle Nut from them excellent to do business with. Will be back.

  69. Don (verified owner)

  70. Neil (verified owner)

  71. Kenneth (verified owner)

    Works all right it’s pretty loose and sloppy on the tube I bought. Most usually are .Once tightened down you don’t think about it anymore.

  72. David (verified owner)

  73. Seth Houghton (verified owner)

  74. Randy R. (verified owner)

  75. Kodi Y. (verified owner)

  76. Matthew K. (verified owner)

  77. Keith D. (verified owner)

  78. Adam S. (verified owner)

  79. Robey Todd Walters (verified owner)

  80. James Dodson (verified owner)

    good and great price

  81. Jordan West (verified owner)

  82. Julio C. (verified owner)

    Solid castle nut nice nitride

  83. Rollin (verified owner)

    Exactly what I needed

  84. Enrico Francesco (verified owner)

    Works perfect, great price

  85. Ronald S. (verified owner)

  86. Kiel (verified owner)

  87. Anonymous (verified owner)

  88. Robert M. (verified owner)

    Low price, high quality.

  89. Darrell (verified owner)

  90. Daniel O. (verified owner)

    Trying to stock up on parts as I prepare for our state to become California North.

  91. r3widealley (verified owner)

    This is the place for parts. A good, professional outfit. Quick shipping, excellent CS. All parts are good quality and nicely packaged in resealable bags. Stock up!

  92. robert kohler (verified owner)

  93. Adrian F. (verified owner)

  94. Randy R. (verified owner)

    Good quality at a good price. Shipped promptly!

  95. Jonathyn J. (verified owner)

    Good quality

  96. Matthew B. (verified owner)

    Needed random parts for a new build, B. King’s is always a solid choice.

  97. Chris (verified owner)

  98. Anonymous (verified owner)

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