AR15 Lower Parts Kits & Spare Parts
AR15 Lower Parts Kits & Spare Parts
Discounts for Aero Precision, Ballistic Advantage, VG6 and Faxon Firearms automatically applied when added to cart. (If no discount appears when added then that is our lowest price)
Showing all 199 results
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Lbe Ar Mag Release Button
$2.24273 in stock -
AR15 MIL-SPEC Stainless Steel Hammer Pins
$4.99$2.99Out of stock -
BKF M4 Pistol Grip Mil Spec – Black
$3.5021 in stock -
Lbe Ar Trigger Guard
$3.7495 in stock -
Lbe Ar Mag Catch Assembly
$4.491642 in stock -
Lbe Ar Bolt Catch Assembly
$5.23562 in stock -
Seekins Precision AR-15 Mag Release
$5.75392 in stock -
Seekins Precision AR-15 Mag Release – FDE
$5.7559 in stock -
Seekins Precision AR-15 Mag Release – Red
$5.7577 in stock -
10% OFF IN CARTBravo Company Mod 0, Trigger Guard – Wolf Finish
$6.95in stock -
AR15 Pivot Pin in Silver -Long
$9.99$6.99Out of stock -
AR15 Takedown Pin in Silver -Long
$9.99$6.99Out of stock -
Lbe Ar15 Bolt Catch Plunger 20pk
$7.4867 in stock -
Lbe Ar15 Disconnector Spring 20pk
$7.4822 in stock -
Lbe Ar15 Hammer-trigger Pin 20pk
$7.4834 in stock -
10% OFF IN CARTMagpul Polymer Trigger Guard Black
$8.503677 in stock -
10% OFF IN CARTMagpul Polymer Trigger Guard Fde
$8.50931 in stock -
10% OFF IN CARTMagpul Polymer Trigger Guard Gray
$8.50286 in stock -
10% OFF IN CARTMagpul Polymer Trigger Guard Od
$8.50348 in stock -
10% OFF IN CARTBad Enhanced Mag Catch Black
$8.50158 in stock -
Lbe Ar15 Selector Detent 20pk
$8.9696 in stock -
Lbe Ar15 Trigger Spring 20pk
$8.9630 in stock -
Bastion Ar15 Mag Release Usa Flag
$9.10in stock -
Bastion Ar Ejec Port Cover Usa Flag
$9.10in stock -
Lwrc Extended Rear Takedown Pin
$9.1735 in stock -
Lbe Ar15 Hammer Spring 20pk
$9.7132 in stock -
10% OFF IN CARTMission First Tactical E-volv, AR-15 Trigger Guard
$9.9964 in stock -
10% OFF IN CARTMission First Tactical E-volv, AR-15 Trigger Guard – Scorched Dark Earth
$9.997 in stock -
Lbe Ar Selector Assembly
$10.24115 in stock -
Lbe Ar15 Sfty Slctr Dtnt Spring 20pk
$10.4625 in stock -
10% OFF IN CARTCmmg Parts Kit Ar15 Upper Pins-sprng
$11.6194 in stock -
10% OFF IN CARTCmmg Part Kit Ar15 Lower Pins-spring
$11.61795 in stock -
Aero Precision Billet Trigger Guard – Black
$18.00$12.00Out of stock -
Bastion Takedown And Pivot Pin Set Biohaz
$12.0029 in stock -
Bastion Takedown And Pivot Pin Set Spartan
$12.0061 in stock -
Bastion Takedown And Pivot Pin Set Us Flag
$12.00126 in stock -
10% OFF IN CARTSeekins Precision Enhanced Bolt Catch
$12.48504 in stock -
10% OFF IN CART2a Builder Series Ar15 Billet Trigger Guard
$13.79in stock -
Lbe Ar15 Trigger
$14.1934 in stock -
Lbe Ar15 Hammer
$14.9472 in stock -
Lbe Ar Take Down Detent 10pk
$14.94115 in stock -
Lbe Ar Take Down Detent Spring 10pk
$14.94109 in stock -
10% OFF IN CARTBad Enhanced Single Side Safety Selector
$14.9570 in stock -
ATG™ AR15 GRIP – BLACK
$19.99$14.9914 in stock -
10% OFF IN CARTCmc Anti-walk Pin Set Small Pins
$15.001415 in stock -
Bastion Threaded Trigger Guard 5.56 Ar Blank
$15.0030 in stock -
Bastion Threaded Trigger Guard 5.56 Ar Skull
$15.0050 in stock -
Bastion Threaded Trigger Guard 5.56 Ar Flag
$15.0041 in stock -
10% OFF IN CARTCmmg Parts Kit Ar15 Hd Pivot Td Pins
$15.86165 in stock -
10% OFF IN CARTBad Mag Release Kit Mod1 Black
$15.95188 in stock -
10% OFF IN CART2a Armament Magazine Catch Assembly, G1 Groove
$18.2959 in stock -
10% OFF IN CART2a Armament Magazine Catch Assembly, G1 Pocket
$18.2949 in stock -
Patriot Ordnance Factory Universal Bolt Catch
$18.2969 in stock -
10% OFF IN CART2a Armament Takedown Pins For AR-15
$18.2927 in stock -
BKF AR15 Lower Parts Kit (LPK) Minus FCG, Trigger Guard and A2 Grip
$24.99$18.49160 in stock -
10% OFF IN CARTMagpul Enhanced Ar Mag Release
$18.95505 in stock -
Seekins Precision Billet AR-15 Trigger Guard
$18.99104 in stock -
10% OFF IN CARTSeekins Billet AR-15 Trigger Guard – Red
$18.9954 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Xmr Burnt Bronze For Ar-15
$19.0029 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Xmr Black For Ar-15
$19.00183 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Xmr Blue For Ar-15
$19.0046 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Xmr Gun Metal Grey For Ar-15
$19.0024 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Xmr Red For Ar-15
$19.0021 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Xmr Silver For Ar-15
$19.0016 in stock -
Kns .250 Enhanced Push Button Pivot Pin
$19.6017 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Xmr Fde For Ar-15
$19.9559 in stock -
AR-15 Dual Safety Selector Lever
$29.99$19.998 in stock -
Kns .250 Enhanced Push Button Take down Pin
$20.0027 in stock -
10% OFF IN CARTOdin Ambi-sling-qd Plate Black – For Ar-15 Pistol Buffer Tubes
$20.43123 in stock -
10% OFF IN CARTOdin Ambi-sling-qd Plate Blue – For Ar-15 Pistol Buffer Tubes
$20.4318 in stock -
10% OFF IN CARTOdin Ambi-sling-qd Plate Red – For Ar-15 Pistol Buffer Tubes
$20.4378 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Gen2 Xmr2 Burnt Bronze Ar-15
$20.9014 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Gen2 Xmr2 Black For Ar-15
$20.9094 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Gen2 Xmr2 Blue For Ar-15
$20.9028 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Gen2 Xmr2 Gun Metal Grey Ar-15
$20.9056 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Gen2 Xmr2 Red For Ar-15
$20.9050 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Gen2 Xmr2 Silver For Ar-15
$20.9019 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Gen3 Xmr3 Burnt Bronze Ar-15
$20.9028 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Gen3 Xmr3 Black For Ar-15
$20.90287 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Gen3 Xmr3 Blue For Ar-15
$20.9059 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Gen3 Xmr3 Gun Metal Grey Ar-15
$20.9040 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Gen3 Xmr3 Red For Ar-15
$20.90113 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Gen3 Xmr3 Silver For Ar-15
$20.9058 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Gen2 Xmr2 Fde For Ar-15
$21.8578 in stock -
10% OFF IN CARTOdin Extended Magazine Release – Gen3 Xmr3 Fde Ar-15
$21.8543 in stock -
10% OFF IN CARTBAD Enhanced Modular Magazine Release, Large – Black
$21.9597 in stock -
10% OFF IN CARTBAD Enhanced Modular Magazine Release, Large – Silver
$21.9533 in stock -
10% OFF IN CARTBAD Enhanced Modular Magazine Release, Large – Red
$21.9529 in stock -
10% OFF IN CARTCmmg Ambi Safety Selector Ar15
$23.2843 in stock -
Midwest Heavy Duty Qd End Plate
$23.5012 in stock -
Lbe Ar Ambi Selector Assy W-sprng
$23.90198 in stock -
Radian Ultralight Qd Ar15 Endplate
$24.65113 in stock -
Radian Weapons Takedown Pins Black
$24.653 in stock -
Patriot Ordnance Factory Selector Switch, Ambidextrous
$25.33105 in stock -
10% OFF IN CARTSpike’s Tac Billet Trigger Guard G2
$25.6793 in stock -
Aero Precision AR15 Lower Parts Kit (LPK) Minus FCG/Trigger Guard/Pistol Grip
$32.50$25.94Out of stock -
10% OFF IN CART2a Armament Takedown Pins For AR-15 – Titanium
$26.0058 in stock -
10% OFF IN CARTBAD Enhanced Pin Set AR-15
$28.45246 in stock -
10% OFF IN CARTMagpul B.a.d. Lever Black
$28.453887 in stock -
10% OFF IN CARTGeissele Maritime Bolt Catch
$29.00879 in stock -
10% OFF IN CARTBad Mag Release Kit Mod2 Black
$30.2576 in stock -
10% OFF IN CART2a Armament Takedown Pins, Titanium – AR-15
$30.4914 in stock -
10% OFF IN CARTCmmg Ar-15 Parts Kit Field Repair
$31.6973 in stock -
Kns Non-rot Trg-hmr Pin S&w G2 Mod2
$31.8559 in stock -
Kns Non-rot Trg-hmr Pin.154 G2
$31.85623 in stock -
Kns Non-rot Trg-hmr Pin.1555 G2
$31.8564 in stock -
Kns Non-rot Trg/hmr Pin.154 G2 Mod2
$31.85in stock -
Kns Non-rot Trg/hmr Pin.1555 G2 Mod2
$31.85in stock -
Lbe Ar15 Mil Spec Trigger Group
$32.3360 in stock -
10% OFF IN CARTBad Enhanced Lpk Mod3
$33.00123 in stock -
10% OFF IN CARTCmmg Receiver Extension A1
$34.6121 in stock -
10% OFF IN CARTCmmg Receiver Extension Mk4
$34.6134 in stock -
Kns Non-rot Trg-hmr Pin.154 G2 De
$35.5371 in stock -
Kns Non-rot Trg-hmr Pin.154 G2 M2 De
$35.5371 in stock -
10% OFF IN CARTCmmg Receiver Extension Pstl
$36.515 in stock -
10% OFF IN CARTBad Enhanced Pin Set Titanium
$37.0070 in stock -
10% OFF IN CARTElftmann Ambi Speed Safety Black
$37.9565 in stock -
Noveske Sts Short Throw Safety Rh 60
$37.9559 in stock -
10% OFF IN CARTElftmann Ambi Speed Safety Stainless
$37.95in stock -
Shooting Innovations – Competition Control Kit
$49.99$37.9931 in stock -
10% OFF IN CARTSeekins Precision Safety Selector Kit
$37.99478 in stock -
10% OFF IN CARTSeekins Precision Safety Selector Kit – FDE
$37.99124 in stock -
10% OFF IN CARTCmmg Lpk 556 Without Grip-fire Control Group
$38.201541 in stock -
10% OFF IN CARTBad Enhanced Bolt Catch Black
$39.0050 in stock -
10% OFF IN CARTBad Titanium Enhanced Pin Set Black
$39.95102 in stock -
10% OFF IN CARTCmc Lpk 556 Without Grip-fire Control Group
$39.95885 in stock -
Noveske Sts Short Throw Sfty Ambi 60
$39.95246 in stock -
Mil-Spec AR15 Lower Parts Kit (LPK)
$49.99$39.99Out of stock -
BKF AR15 Enhanced Lower Parts Kit (LPK)
$69.99$39.99208 in stock -
10% OFF IN CARTSpike’s Tactical Lower Receiver Parts Kit Without Fire Control Group-trigger Group, 556nato
$41.35489 in stock -
Hiperfire Hipertrain Ar15 Trigger Demonstrator Black
$42.7523 in stock -
Aero Precision AR15 Lower Parts Kit (LPK)
$55.00$45.00Out of stock -
Shooting Innovations Competition Control Kit – Burnt Bronze Cerakote
$59.99$45.001 in stock -
Shooting Innovations Competition Control Kit – Midnight Bronze Cerakote
$59.99$45.00Out of stock -
Shooting Innovations Competition Control Kit – Tungsten Cerakote
$59.99$45.001 in stock -
Shooting Innovations Competition Control Kit – FDE Cerakote
$59.99$45.001 in stock -
Shooting Innovations Competition Control Kit – ODG Cerakote
$59.99$45.002 in stock -
10% OFF IN CARTOdin Ambidextrous Modular – Safety Black For Ar-15
$46.55166 in stock -
10% OFF IN CARTOdin Ambidextrous Modular – Safety Blue For Ar-15
$46.5533 in stock -
10% OFF IN CARTOdin Ambidextrous Modular – Safety Red For Ar-15
$46.5569 in stock -
Radian Talon Safety Selector 2 Lever Black
$47.45791 in stock -
Radian Talon Safety Selector 2 Lever Tungsten
$47.45145 in stock -
Radian Talon Safety Selector 2 Lever Fde
$47.45409 in stock -
Radian Talon Safety Selector 2 Lever Brown
$47.4590 in stock -
Radian Talon Safety Selector 2 Lever Red
$47.45508 in stock -
10% OFF IN CARTOdin Ambidextrous Modular – Safety Fde For Ar-15
$47.5065 in stock -
Hiperfire Hiperswitch Ambi Safety Selector Set Black
$47.5034 in stock -
Hiperfire Hiperswitch Ambi Safety Selector Set Red
$47.5024 in stock -
Kak Industries AR15 Lower Parts Kit (LPK) W/ Billet Trigger Guard
$50.00Out of stock -
Pof Ambi Safety Selector 50-90 Degree
$53.4915 in stock -
10% OFF IN CARTCmmg Receiver Extension Kit Pstl
$54.2048 in stock -
10% OFF IN CARTOdin Lower Parts Kit W-pistol – Grip For Ar-15
$56.05369 in stock -
10% OFF IN CARTBad Bad-ass Ambi Safety Selector Black
$57.00335 in stock -
10% OFF IN CARTCmmg Receiver Ext Kit Carbine Ar15
$59.8368 in stock -
BKF AR15 Enhanced Lower Build Kit (No Stock)
$89.99$59.9988 in stock -
10% OFF IN CARTCmmg Lpk 556 Black
$63.58976 in stock -
Lbe Lpk 556 No Trig Guard Or Grip
$64.9528 in stock -
10% OFF IN CARTBcm Pnt Trigger Assembly Ar15
$65.95237 in stock -
10% OFF IN CARTBcm Pnt Trigger Assembly Ar15
$65.95168 in stock -
10% OFF IN CARTBad Bad-cass Combat Ambi Safety Selector Black
$65.9544 in stock -
Radian Talon Safety Selector 4 Lever Black
$66.45Out of stock -
Radian Talon Safety Selector 4 Lever Tungsten
$66.4534 in stock -
Radian Talon Safety Selector 4 Lever Fde
$66.4592 in stock -
Radian Talon Safety Selector 4 Lever Brown
$66.4514 in stock -
Radian Talon Safety Selector 2 Lever Np3
$66.4528 in stock -
10% OFF IN CARTFortis Sls Fifty Ambi Safety Selector
$66.45in stock -
10% OFF IN CARTFortis Fifty Ambi Safety Selector
$66.45in stock -
Lbe Lpk 556 W-trig Guard And Grip
$69.8426 in stock -
BKF AR15 Enhanced Lower Build Kit
$99.99$69.9944 in stock -
BKF AR15 Enhanced Magpul Lower Build Kit (No Stock)
$99.99$69.995 in stock -
10% OFF IN CARTSpike’s Lpk Standard 556 Black
$73.45776 in stock -
10% OFF IN CARTBad Bad-ass Ambi Safety Selector Fde
$75.0548 in stock -
10% OFF IN CARTBad Bad-ass Ambi Safety Selector Stainless
$75.0541 in stock -
10% OFF IN CARTBad Bad-ass Ambi Safety Selector Short Throw
$79.95126 in stock -
BKF AR15 Enhanced Magpul Foliage Lower Build Kit
$99.99$79.99Out of stock -
10% OFF IN CARTCmmg Lpk Ar15 W-ambi Safety Selector
$80.1485 in stock -
10% OFF IN CARTSeekins Builders Kit Lpk 556 Black
$89.00142 in stock -
Radian Talon Safety Selector 4 Lever Np3
$90.2024 in stock -
10% OFF IN CARTBad Bad-cass Full Auto Ambidextrous Safety Selector Black
$93.9554 in stock -
Hiperfire Edt Designated Marksman Ar15 Trigger Assembly
$94.0561 in stock -
Hiperfire Edt Heavy Gunner Ar15 Trigger Assembly
$94.0531 in stock -
Hiperfire Edt Sharp Shooter Ar15 Trigger Assembly
$94.0524 in stock -
Wmd Accent Build Kit 556
$95.00in stock -
BKF AR15 Enhanced Lower Build Kit W/ SB Tactical Mini Brace
$149.99$99.9923 in stock -
10% OFF IN CARTDaniel Defense Lpk 556 Black
$100.00102 in stock -
10% OFF IN CARTBcm Parts Kit Lower Black – For Ar-15
$119.9597 in stock -
10% OFF IN CARTBcm Parts Kit Lower Fde – For Ar-15
$119.9570 in stock -
10% OFF IN CARTBad Enhanced Lpk Mod X
$125.0050 in stock -
BKF AR15 Enhanced Lower Build Kit W/ SBA3 Brace
$199.99$129.9974 in stock -
Lwrc Deluxe Lpk 556nato Black
$151.24Out of stock -
10% OFF IN CARTSpike’s Lpk Enhanced 556 Black
$156.1499 in stock -
10% OFF IN CARTSpike’s Lpk Enhanced 556 Fde
$160.7432 in stock -
10% OFF IN CARTTroy Ambidextrous M4 Upgrade Package
$187.49Out of stock -
Hiperfire Hipertouch Elite Ar15 Trigger Assembly
$190.0022 in stock -
Hiperfire Hipertouch Genesis Ar15 Trigger Assembly
$190.0015 in stock -
Hiperfire Hipertouch Reflex Ar15 Trigger Assembly
$213.7531 in stock -
Hiperfire Hipertouch Competition Ar15 Trigger Assembly
$237.5039 in stock -
BKF AR15 Enhanced Lower Build Kit W/ PDW Brace
$299.99$249.994 in stock -
Hiperfire Hipertouch Eclipse Ar15 Trigger Assembly
$261.2553 in stock