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  1. $3.99
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    DPMS Receiver Extension Buffer Tube Lock Ring AR-15, LR-308 Carbine Product #: 718153
    4.6 Read 22 Reviews
  2. $14.99
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    DPMS Receiver Extension Buffer Tube AR-15 A1/A2 Stock Product #: 489724
    4.8 Read 15 Reviews
  3. $64.99
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    AR-Stoner Receiver Extension Buffer Tube Assembly 6-Position Mil-Spec Diameter AR-15 Aluminum Black Product #: 866002
  4. $2.99
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    DPMS Receiver Extension Buffer Tube End Plate AR-15, LR-308 Carbine Product #: 645904
    5.0 Read 3 Reviews
  5. $29.99
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    DPMS Receiver Extension Buffer Tube 6-Position Mil-Spec Diameter AR-15, LR-308 Carbine Aluminum Matte Product #: 599404
    4.9 Read 9 Reviews
  6. $16.99
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    UTG Receiver Extension Buffer Tube 6-Position Mil-Spec Diameter AR-15, LR-308 Carbine Aluminum Matte Product #: 937252
    4.4 Read 11 Reviews
  7. $31.99
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    DSA Receiver Extension Buffer Tube Assembly 6-Position Mil-Spec Diameter AR-15 Aluminum Black Product #: 294654
    5.0 Read 3 Reviews
  8. $19.99
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    DPMS Receiver Extension Buffer Tube 6-Position Commercial Diameter AR-15, LR-308 Carbine Aluminum Matte Product #: 511541
    4.7 Read 11 Reviews
  9. $6.99
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    Advanced Technology Receiver Extension Buffer Tube Lock Ring AR-15, LR-308 Carbine Steel Black Product #: 654034
    4.7 Read 6 Reviews
  10. $66.99
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    ACE Improved Pistol Receiver Extension Buffer Tube Assembly AR-15, LR-308 Pistol Black Product #: 616773
    4.2 Read 10 Reviews
  11. $44.60
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    Vltor Carbine Receiver Extension Buffer Tube 5-Position Mil-Spec Diameter AR-15 Aluminum Black Product #: 563792
    4.8 Read 4 Reviews
  12. $54.99
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    Advanced Technology Receiver Extension Buffer Tube Assembly 6-Position Commercial Diameter AR-15 Carbine Aluminum Black Product #: 657408
  13. $4.99
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    DoubleStar Receiver Extension Buffer Tube Lock Ring AR-15, LR-308 Carbine Steel Matte Product #: 384515
    4.7 Read 6 Reviews
  14. $26.99
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    Olympic Receiver Extension Buffer Tube AR-15 A1/A2 Stock Product #: 392016
    3.8 Read 5 Reviews
  15. $62.99
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    TAPCO Receiver Extension Buffer Tube Assembly 6-Position Mil-Spec Diameter AR-15 Carbine Aluminum Matte Product #: 959470
  16. $48.99
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    TAPCO Receiver Extension Buffer Tube Assembly 6-Position Commercial Diameter AR-15 Carbine Aluminum Matte Product #: 177437
    5.0 Read 1 Review
  17. $14.90
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    GMG Receiver Extension Buffer Tube 6-Position Commercial Diameter AR-15 Carbine Aluminum Matte Product #: 884881
    1.8 Read 5 Reviews
  18. $4.79
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    Advanced Technology Receiver Extension Buffer Tube End Plate AR-15, LR-308 Carbine Steel Black Product #: 364213
    1.0 Read 1 Review
  19. $16.99
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    UTG Receiver Extension Buffer Tube 6-Position Commercial Diameter AR-15, LR-308 Carbine Aluminum Matte Product #: 877759
    3.8 Read 4 Reviews
  20. $39.99
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    DoubleStar Receiver Extension Buffer Tube 6-Position Mil-Spec Diameter AR-15, LR-308 Carbine Aluminum Matte Product #: 890124
    3.8 Read 4 Reviews
  21. $39.99
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    Advanced Technology Receiver Extension Buffer Tube 6-Position Commercial Diameter AR-15, LR-308 Carbine Aluminum Black Product #: 115491
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