AR15 Spare Lower & Upper Parts
AR15 Spare Lower & Upper 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 213 results
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Mil-Spec AR15 OR LR308 (DPMS) Receiver Extension Castle Nut Mil Spec
$2.50$1.999 in stock -
10% OFF IN CARTAero Precision AR15 Receiver Extension End Plate – Mil Spec
$2.5024 in stock -
KAK Industries AR15 Carbine Buffer Spring Mil Spec
$3.50$2.99959 in stock -
AR15 MIL-SPEC Stainless Steel Hammer Pins
$4.99$2.9939 in stock -
10% OFF IN CART
Aero Precision AR15 Receiver Extension Lock Nut Mil Spec
$3.0011 in stock -
10% OFF IN CARTAero Precision M4 Pistol Grip Mil Spec – Black
$3.5044 in stock -
10% OFF IN CARTAero Precision M4E1 Barrel Nut Wrench
$3.5013 in stock -
AR15 Mil-Spec Carbine Buffer
$12.50$3.5038 in stock -
10% OFF IN CARTAR15 BCM TRIGGER GUARD MOD 0 BLACK – Black
$8.00$6.950 in stock -
AR15 B5 Systems Enhanced Trigger Guard, Composite – Black
$9.99$6.99Out of stock -
AR15 Pivot Pin in Silver -Long
$9.99$6.992 in stock -
AR15 Takedown Pin in Silver -Long
$9.99$6.993 in stock -
AR15 B5 Systems Enhanced Trigger Guard, Composite – FDE
$9.99$6.992 in stock -
AR15 MIL-SPEC Upper Parts Kit
$14.99$7.5041 in stock -
Mil-Spec AR15 or LR308 (DPMS) Pistol Buffer Tube
$19.99$7.5050 in stock -
Magpul Polymer Trigger Guard Black
$8.503310 in stock -
Magpul Polymer Trigger Guard Fde
$8.501149 in stock -
Magpul Polymer Trigger Guard Gray
$8.50628 in stock -
Magpul Polymer Trigger Guard Od
$8.50536 in stock -
AR15 MIL-SPEC Ejection Port Cover Assembly
$9.99$8.9978 in stock -
AR15 or LR308 (DPMS) Tactical Ambidextrous Sling Plate
$13.99$9.995 in stock -
1 1/4″ Crow Foot Barrel Nut Wrench (1/2″ Drive) For Parallax Tactical AR15 Handguard
$9.99Out of stock -
Mil-Spec Forward Assist Assembly Kit (Fits Both M4 and AR10 or LR308(DPMS) Upper Receivers)
$9.9967 in stock -
AR-15 or LR308 (DPMS) End Plate Sling Adapter w/ Quick Detach Swivel Socket
$15.99$9.99Out of stock -
KAK Industry Billet Enhanced Trigger Guard- Black
$16.50$9.99Out of stock -
10% OFF IN CARTAero Precision AR15 Carbine Buffer – Mil Spec
$10.0045 in stock -
10% OFF IN CART
Aero Precision Forward Assist Assembly Kit (Fits Both M4 and M5 Upper Receivers)
$10.996 in stock -
M4 Sliding Stock Mil Spec – Black
$20.00$12.5017 in stock -
KAK Industries AR15 Mil-Spec Carbine Buffer
$12.5015 in stock -
10% OFF IN CARTLuth Ar 223 Carbine Buffer Body
$13.15439 in stock -
10% OFF IN CARTAero Precision Billet Trigger Guard – Black
$18.00$14.9947 in stock -
Mil-Spec AR15 or LR308 (DPMS) Carbine Length Buffer Tube
$19.99$14.9923 in stock -
10% OFF IN CART
Aero Precision AR15 Upper Parts Kit
$15.0017 in stock -
10% OFF IN CARTCmc Anti-walk Pin Set Small Pins
$15.00752 in stock -
Fortis Qd End Plate Black
$15.9584 in stock -
AR15 Magpul Enhanced Aluminum Trigger Guard – Black
$16.001 in stock -
10% OFF IN CARTBcm Gunfighter Qd End Plate
$16.951263 in stock -
Vltor Single Attachment Endplate Hk Style
$18.7036 in stock -
Tactical Springs (SPRINCO) BUFFER (ACTION) SPRINGS – AR15, AR10 and LR308
$19.95in stock -
AR-15 Dual Safety Selector Lever
$29.99$19.991 in stock -
AR15 or LR308 (DPMS) Pistol Buffer Tube Dimpled
$24.99$19.9912 in stock -
Kns .250 Enhanced Push Button Pivot Pin
$20.0014 in stock -
Kns .250 Enhanced Push Button Take down Pin
$20.0031 in stock -
ODIN WORKS AMBI-SLING/QD PLATE BLACK FOR AR-15 PISTOL BUFFER TUBES
$21.50$20.433 in stock -
10% OFF IN CARTLuth Ar 223 Rifle Buffer Body
$20.6336 in stock -
Odin Works AR15 XMR 2 Extended Magazine Release – Black
$20.902 in stock -
Odin Works AR15 XMR 2 Extended Magazine Release – Gunmetal Grey
$20.900 in stock -
Odin Works AR15 XMR 2 Extended Magazine Release – Silver
$20.903 in stock -
Odin Works AR15 XMR 2 Extended Magazine Release – FDE
$21.853 in stock -
10% OFF IN CART
Aero Precision M4 or M5 Carbine Buffer Tube – Mil Spec
$22.504 in stock -
KAK Industries AR15 Mil-Spec H2 Carbine Buffer
$25.00$22.5015 in stock -
B5 End Plate Black
$23.00500 in stock -
Utg Pro Mil-Spec 6 Position Receiver Extension Tube Fde
$23.69112 in stock -
AR15 M4 Carbine Buffer Tube Assembly – Mil Spec
$39.99$24.9979 in stock -
AR15 Pistol Buffer Tube Assembly – Mil Spec
$42.99$24.9990 in stock -
AR15 Sprinco Reduced Power Carbine Spring & Standard Buffer
$26.9911 in stock -
AR15 Sprinco Standard Power Carbine Spring & Standard Buffer
$26.997 in stock -
AR15 Sprinco Intermediate Power Carbine Spring & Standard Buffer
$26.999 in stock -
Noveske Sts Short Throw Safety Rh 60
$28.0063 in stock -
10% OFF IN CARTGeissele Maritime Bolt Catch
$29.00459 in stock -
Mft One Point Sling Mount Black
$29.9999 in stock -
Noveske Sts Short Throw Sfty Ambi 60
$30.00302 in stock -
10% OFF IN CARTLuth Ar Heavy Carbine Buffer Assembly
$30.0737 in stock -
10% OFF IN CARTAero Precision AR15 Lower Parts Kit (LPK) Minus FCG/Trigger Guard/Pistol Grip
$32.5017 in stock -
Kns Non-rot Trg-hmr Pin S&w G2 Mod2
$32.5039 in stock -
Kns Non-rot Trg-hmr Pin.154 G2
$32.50520 in stock -
Kns Non-rot Trg-hmr Pin.1555 G2
$32.507 in stock -
Kns Non-rot Trg/hmr Pin.154 G2 Mod2
$32.50in stock -
Kns Non-rot Trg/hmr Pin.1555 G2 Mod2
$32.50in stock -
10% OFF IN CARTAero Precision BAR Barrel Nut For Standard AR15 Upper
$35.00$34.9929 in stock -
SHOCKWAVE BLADE PISTOL STABILIZER – BLACK
$42.95$34.992 in stock -
AR15 Intermediate Power Carbine Buffer Tube Assembly Standard Buffer
$49.99$34.992 in stock -
AR15 Standard Power Carbine Buffer Tube Assembly
$49.99$34.991 in stock -
AR15 Reduced Power Carbine Buffer Tube Assembly
$49.99$34.9913 in stock -
SHOCKWAVE BLADE PISTOL STABILIZER – FDE
$42.95$34.9920 in stock -
10% OFF IN CARTAero Precision AR15 Carbine Buffer Tube Assembly – Mil Spec
$35.005 in stock -
AR-15 Rifle Length Buffer Tube Assembly – Mil Spec
$39.99$35.990 in stock -
Kns Non-rot Trg-hmr Pin.154 G2 De
$36.2571 in stock -
Kns Non-rot Trg-hmr Pin.154 G2 M2 De
$36.2590 in stock -
Bad Enhanced Pin Set Titanium
$37.0094 in stock -
5% OFF IN CART10% OFF IN CARTMidwest End Plate Adapter quick Detach
$37.5072 in stock -
Elftmann Ambi Speed Safety Black
$37.9582 in stock -
Elftmann Ambi Speed Safety Stainless
23 in stock -
AR15 Sprinco Intermediate Power Carbine Buffer Spring & H1 Buffer
$44.99$37.9918 in stock -
AR15 Sprinco Enhanced Power Carbine Buffer Spring W/ H1 Buffer
$44.99$37.9914 in stock -
Shooting Innovations – Competition Control Kit
$49.99$37.9939 in stock -
Bad Enhanced Bolt Catch Black
$39.0096 in stock -
Bad Titanium Enhanced Pin Set Black
$39.9557 in stock -
10% OFF IN CARTCmc Lpk 556 Without Grip-fire Control Group
$39.952048 in stock -
Mil-Spec AR15 Lower Parts Kit (LPK)
$49.99$39.99Out of stock -
10% OFF IN CARTTroy Oem M4 Sling Mount W-qd Swivel
$40.8490 in stock -
10% OFF IN CARTLuth Ar Tungsten H2-buffer
$41.3541 in stock -
10% OFF IN CARTAero Precision AR15 Rifle Length Buffer Assembly
$42.007 in stock -
AR15 Sprinco Extra Power Carbine Buffer Spring & H2 Buffer
$49.99$42.991 in stock -
10% OFF IN CARTTroy Pg Receiver Sling Adapter Black Qd
$44.4666 in stock -
Vltor 5 Position Receiver Extension
$44.6025 in stock -
10% OFF IN CARTLuth Ar 223 Rifle-fixed Buffer Tube Assembly
$45.07379 in stock -
10% OFF IN CARTTroy Pg Receiver Sling Adapter Fde Qd
$45.5911 in stock -
10% OFF IN CARTLuth Ar 223 Carbine Buffer Tube Assembly Mil Spec
$46.952411 in stock -
Radian Talon Safety Selector 2-lever set (long & short) – Tungsten Gray
$66.45$47.455 in stock -
Radian Talon Safety Selector 2-lever set (long & short) – Black
$56.95$47.450 in stock -
Radian Talon Safety Selector 2-lever set (long & short) – FDE
$66.45$47.451 in stock -
Radian Talon Safety Selector 2-lever set (long & short) – Brown
$66.45$47.453 in stock -
Radian Talon Safety Selector 2 Lever Black
$47.45352 in stock -
Radian Talon Safety Selector 2 Lever Tungsten
$47.455 in stock -
Radian Talon Safety Selector 2 Lever Fde
$47.4575 in stock -
Radian Talon Safety Selector 2 Lever Brown
$47.458 in stock -
Phase5 Ar15 Pistol Buffer Tube Black
$49.95124 in stock -
Kak Industries AR15 Lower Parts Kit (LPK) W/ Billet Trigger Guard
$50.00Out of stock -
Alg Quality Mil-spec Trigger
$50.00204 in stock -
Radian Ti Forward Assist Raw
$52.2087 in stock -
10% OFF IN CARTLuth Ar Tungsten H3-buffer
$52.6327 in stock -
Angstadt 40sw-45acp Buffer Kit
$53.758 in stock -
SHOCKWAVE BLADE PISTOL STABILIZER WITH STANDARD PISTOL BUFFER ASSEEMBLY (NON DIMPLED) – BLACK
$69.99$54.998 in stock -
10% OFF IN CARTCmc Ar15 Buffer Tube Assembly (mil)
$54.9946 in stock -
10% OFF IN CARTAero Precision AR15 Lower Parts Kit (LPK)
$55.001 in stock -
AR15 Enhanced Power Carbine Buffer Tube Assembly W/ H1 Buffer
$72.99$55.994 in stock -
AR15 Odin Works Lower Parts Kit (LPK) W/ A2 Pistol Grip
$59.99$56.053 in stock -
Bad Bad-ass Ambi Safety Selector Black
$57.00245 in stock -
10% OFF IN CARTAR15 BCM PISTOL RECEIVER EXTENSION KIT W/BUFFER/SPRING/HARDWARE
$57.951 in stock -
10% OFF IN CARTBcm Stock Hardware Mount Kit Milspec
$57.95947 in stock -
AR15 Extra Power Carbine Buffer Tube Assembly W/ H2 Buffer
$74.99$57.994 in stock -
Phase5 Hex-2 Ar15 Pistol Buffer Tube Assembly Black
$59.95154 in stock -
AR15 UTG Model 4/AR15 Complete A2 Fixed Stock Assembly – Black
$79.99$59.992 in stock -
Cmmg Lpk 556 Black
$64.954078 in stock -
10% OFF IN CARTGeissele Spr 42 Brd Wire Bfr-spr Cmb
$65.00256 in stock -
10% OFF IN CARTBCM TRIGGER PNT ASSEMBLY AR-15 POLISHED/NICKEL/TEFLON
$65.9584 in stock -
10% OFF IN CARTBcm Pnt Trigger Assembly Ar15
$65.95176 in stock -
Bad Bad-cass Combat Ambi Safety Selector Black
$65.9542 in stock -
Radian Talon Safety Selector 4-lever set (long, medium, medium tapered & short) – Black
$79.95$66.452 in stock -
Radian Talon Safety Selector 2-lever set (long & short) – NP3
$75.95$66.451 in stock -
Radian Talon Safety Selector 4 Lever Tungsten
$66.4511 in stock -
Radian Talon Safety Selector 4 Lever Fde
$66.454 in stock -
Radian Talon Safety Selector 4 Lever Brown
$66.4510 in stock -
Radian Talon Safety Selector 2 Lever Np3
$66.454 in stock -
Maxim Cqb Buffer And Spring
$66.4511 in stock -
Alg Combat Trigger
$70.00820 in stock -
5% OFF IN CART10% OFF IN CARTMidwest Ar Pistol Buffer Tube Kit
$73.8058 in stock -
Spike’s Lpk Standard 556 Black
$74.95700 in stock -
Bad Bad-ass Ambi Safety Selector Fde
$75.0536 in stock -
Bad Bad-ass Ambi Sfty Slctr Stainlss
$75.0523 in stock -
Bad Bad-ass Ambi Safety Selector Short Throw
$79.9579 in stock -
Phase5 Hex-2 Ar15 Pistol Buffer Tube Assembly
$79.95151 in stock -
AR15 Sig Sauer M4 pistol Stabilizing Brace – FDE
$150.00$79.991 in stock -
Cmmg Lpk Ar15 W-ambi Safety Selector
$82.00254 in stock -
Seekins Builders Kit Lpk 556 Black
$89.00555 in stock -
Radian Talon Safety Selector 4 Lever Np3
$90.201 in stock -
Bad Bad-cass Full Auto Ambidextrous Safety Selector Black
$93.9535 in stock -
2a Buffer Tube Assembly Ar15 Black
$94.0016 in stock -
Daniel Defense Lpk 556 Black
$94.00251 in stock -
Maxim Cqb Buffer And Spring H1
$94.9510 in stock -
Lwrc Enhanced Fire Control Group Nickle
$100.307 in stock -
Maxim Cqb Buffer And Spring H2
$104.4510 in stock -
10% OFF IN CARTAR15 BCM STOCK KIT MOD 0 BLACK FITS AR-15 COMPLETE KIT
$113.901 in stock -
10% OFF IN CARTAR15 BCM STOCK KIT MOD 0 FDE FITS AR-15 COMPLETE KIT
$113.901 in stock -
10% OFF IN CARTBcm Gunfighter Stock Kit
$113.90in stock -
10% OFF IN CARTBcm Gunfighter Stock Kit Sopmod
$115.90in stock -
10% OFF IN CARTAR-15 BCM PARTS KIT LOWER – BLACK
$119.950 in stock -
10% OFF IN CARTAR15 BCM PARTS KIT LOWER – FDE
$119.951 in stock -
Bad Enhanced Lpk Mod X
$125.0098 in stock -
Maxim Cqb Buffer Jp Scs-sx Gen2
$136.5630 in stock -
Maxim Cqb Buffer Jp Scs-sx Gen2 Heavy
$158.1328 in stock -
10% OFF IN CARTCmc Ar-15 Match Trigger Curved Odg
$158.7418 in stock -
Spike’s Lpk Enhanced 556 Black
$159.32389 in stock -
Pof Drop In Trigger 4.5lb Single Stage
$159.9979 in stock -
Pof Drop In Trigger 4lb Single Stage Efp
$159.9974 in stock -
Failzero Exo Coated Ar15 Trigger Group 3.5lb
$163.6968 in stock -
Spike’s Lpk Enhanced 556 Fde
$164.0192 in stock -
10% OFF IN CARTGeissele 2 Stage G2s
$165.00232 in stock -
10% OFF IN CARTCmc Ar-15 Match Trigger Flat Lp
$167.991 in stock -
Failzero Exo Coated Ar15 Flat Trigger Group 3.5lb
$171.1337 in stock -
10% OFF IN CARTCmc Ar-15 Match Trigger Flat 2.5lb
$182.6872 in stock -
10% OFF IN CARTCmc Ar-15 Match Trigger Curved 3.5lb
$182.68193 in stock -
10% OFF IN CARTCmc Ar-15 Match Trigger Flat 3.5lb
$182.68136 in stock -
10% OFF IN CARTCmc Ar-15 Match Trigger Curved Lp
$182.6836 in stock -
Bad Sabertube End Plate Stock Combo
$182.7115 in stock -
Lwrc Deluxe Lpk 556nato Black
$183.30153 in stock -
10% OFF IN CARTCmc Ar-15 Match Trigger Curved Burnt Bronze
$191.5118 in stock -
10% OFF IN CARTCmc Ar-15 Match Trigger Curved Fde
$191.5114 in stock -
10% OFF IN CARTCmc Ar-15 Match Trigger Flat Burnt Bronze
$191.5134 in stock -
10% OFF IN CARTCmc Ar-15 Match Trigger Flat Fde
$191.5115 in stock -
10% OFF IN CARTCmc Ar-15 Match Trigger Flat Odg
$191.5130 in stock -
10% OFF IN CARTCmc Ar-15 2-stage Trigger Curved 3lb
$210.0030 in stock -
10% OFF IN CARTCmc Ar-15 2-stage Trigger Flat 1-3lb
$210.0030 in stock -
10% OFF IN CARTCmc Ar-15 2-stage Trigger Curved 2lb
$230.006 in stock -
10% OFF IN CARTCmc Ar-15 2-stage Trigger Flat 2-2lb
$230.0065 in stock -
Timney Trigger Ar 2 Stage Short 1st Stage
$237.9024 in stock -
Timney Trigger Ar 2 Stage Short Straight Trigger
$237.9011 in stock -
Timney Trigger Fits Ar15 3lbs (solid)
$237.90122 in stock -
Timney Trigger Fits Ar15 4lbs (solid)
$237.9014 in stock -
Bad Pistol Sabertube Ext-tube Tailhook
$238.7532 in stock -
10% OFF IN CARTGeissele Super Semi-automatic Ssa
$240.00146 in stock -
10% OFF IN CARTGeissele Super 3 Gun Mil-spec Pin S3g
$240.0046 in stock -
10% OFF IN CARTGeissele Spr Semi-auto Enhanced Ssa-e
$240.00247 in stock -
10% OFF IN CARTGeissele Super Dynamic Combat Sd-c
$240.00114 in stock -
10% OFF IN CARTGeissele Super Dynamic 3 Gun Sd-3g
$240.00147 in stock -
10% OFF IN CARTGeissele Super Dynamic Enhanced Sd-e
$240.00138 in stock -
10% OFF IN CARTGeissele Super Tricon
$240.0037 in stock -
10% OFF IN CARTGeissele Ssp M4 Curved Trigger Bow
$240.00152 in stock -
Geissele Ssp Dyn Flat Trigger Bow
$240.0099 in stock -
10% OFF IN CARTCmc Ar-15 Lower Assembly Kit Curved
$249.0072 in stock -
10% OFF IN CARTCmc Ar-15 Lower Assembly Kit Flat
$249.00105 in stock -
Elftmann Ar-9 Trigger Curved
$249.0030 in stock -
Elftmann Match Trigger Curved
$249.0057 in stock -
Elftmann Match Trigger Curved
$249.00in stock -
Bad Tt-15 Adjustable Trigger 2-5lbs Tgr Straight
$255.0028 in stock -
Bad Tt-15 Adjustable 2-5lbs Trigger Curved
$255.0029 in stock -
Elftmann 3 Gun Trigger Curved
$269.0029 in stock -
Elftmann 3 Gun Trigger Straight
$269.00in stock -
10% OFF IN CARTGeissele Hi-speed Match Universal
$279.0021 in stock -
Timney Trigger Fits Ar10 4lbs (solid)
$281.1614 in stock -
Timney Ar Trigger Calvin Elite 1.5lb Red
$299.9548 in stock -
Timney Trigger Fits Ar15 3lbs(skeleton)
$302.79in stock