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PA-15 Lower Parts

Palmetto State Armory is your source for American made PA-15 lower ar parts. Our parts selection includes the best lower parts to complete your custom build. From triggers and safeties to AR-15 springs and pins, we stock the PSA PA-15 parts designed to finish off your build and get you out to the range.

AR Tools

AR Tools
Individual Parts

Individual Parts
Triggers

Triggers
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Items 1-24 of 112

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  1. PSA Custom AR 3.5 lbs. Match Grade Drop-In Trigger, Flat - 116055

    PSA Custom AR Trigger Single-Stage Flat Drop-In Match Grade - 116055

    Rating:
    96% of 100
    (1423)
    Regular Price $149.99 Special Price $99.99
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  2. PSA 2 Stage Nickel Boron Trigger Assembly

    PSA 2 Stage Nickel Boron Trigger Assembly

    Rating:
    94% of 100
    (468)
    Regular Price $99.99 Special Price $79.99
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  3. PSA Custom AK-AR Buffer Tube Adapter - 116034

    PSA Custom AK-AR Buffer Tube Adapter - 116034

    Rating:
    78% of 100
    (67)
    Regular Price $34.99 Special Price $31.45
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  4. PSA Custom Enhanced Inconel 600 AR-15 Spring Kit

    PSA Custom Enhanced Inconel 600 AR-15 Spring Kit

    Rating:
    96% of 100
    (20)
    $22.95
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  5. AR-15 Trigger Hammer Pin (Pack of 2)

    Trigger/Hammer Pin - Pack of 2

    Rating:
    100% of 100
    (8)
    $2.99
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  6. PSA AR-15 Trigger Guard Roll Pin

    PSA AR15 Trigger Guard Roll Pin

    Rating:
    96% of 100
    (11)
    $0.99
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  7. Sabre S5 9 Position Buffer Tube with Sprinco Green Spring and QD Latch Plate

    Sabre S5 9 Position Buffer Tube with Sprinco Green Spring and QD Latch Plate

    $99.99
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  8. PSA Custom AR-15 Enhanced Titanium Trigger Pins

    PSA Custom AR Enhanced Titanium Trigger Pins - 116011

    Rating:
    96% of 100
    (12)
    Regular Price $6.95 Special Price $6.25
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  9. PSA Custom Lightweight Skeletonized Bolt Catch

    PSA Custom Lightweight Skeletonized Bolt Catch - 116017

    Rating:
    88% of 100
    (14)
    Regular Price $13.95 Special Price $12.49
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  10. PSA AR15 Pistol Buffer Tube - 516444934

    PSA AR15 Pistol Buffer Tube - 516444934

    Rating:
    76% of 100
    (5)
    $29.99
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  11. PSA AR-15 Trigger Spring

    PSA AR15 Trigger Spring - 1337

    Rating:
    100% of 100
    (1)
    $1.99
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  12. PSA A2 Stock Screw

    PSA A2 Stock screw- - -9349128

    Rating:
    100% of 100
    (3)
    $3.99
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  13. PSA enhanced bolt catch AR-15 accessory

    PSA Custom AR Enhanced Bolt Catch - 116008

    Rating:
    88% of 100
    (7)
    Regular Price $11.95 Special Price $10.75
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  14. PSA AR-15 A2 Buttcap Spacer

    PSA AR-15 A2 Buttcap Spacer

    Rating:
    94% of 100
    (3)
    $1.99
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  15. PSA AR-15 Safety Selector - Semi

    PSA AR15 Safety Selector - Semi - 8703

    Rating:
    94% of 100
    (9)
    $11.99
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  16. PSA AR-15 Disconnector

    PSA AR15 Disconnector

    Rating:
    100% of 100
    (6)
    $4.99
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  17. PSA AR-15 Magazine Catch

    PSA AR15 Magazine Catch

    Rating:
    98% of 100
    (11)
    $3.99
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  18. PSA AR-15 Magazine Catch Button

    PSA AR15 Magazine Catch Button - 1334

    Rating:
    92% of 100
    (11)
    $3.99
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  19. PSA AR-15 Upper String Replacement Kit

    PSA AR15 Upper Spring Replacement Kit

    Rating:
    100% of 100
    (2)
    $7.99
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  20. PSA AR-15 Carbine Buffer

    PSA AR15 Carbine Buffer - 1177

    Rating:
    92% of 100
    (34)
    $9.95
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  21. PSA AR-15 Front Pivot Pin

    PSA AR15 Front Pivot Pin

    Rating:
    98% of 100
    (12)
    $3.99
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  22. PSA AR-15 Trigger

    PSA Freedom AR-15 Semi-Auto Trigger - 8705

    Rating:
    100% of 100
    (4)
    $7.99
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  23. AR-15 Upper Parts - Cam Pin

    PSA AR15 Cam Pin - 8663

    Rating:
    90% of 100
    (6)
    $4.99
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  24. PSA AR-15 Rear Take Down Pin

    PSA AR15 Rear Take Down Pin - 7286

    Rating:
    100% of 100
    (9)
    $3.99
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Items 1-24 of 112

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  1. Triggers 19
  2. Individual Parts 102
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