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Lower parts kits for your AR-15 or AR-10 build normally include parts such as the safety selector, pivot pins, springs, pins, and even occasionally will include parts such as your grip and trigger assembly. The lower parts kit (LPK) is one of the most important parts of any AR build. The LPK includes all the parts necessary to chamber a round, flip the safety, squeeze the trigger, and fire a round downrange using your AR-15 lower. When you pick out one of the AR15 Lower Parts we carry, for example, one of the Aero Precision AR15 Lower Parts, you’ll get precisely what you’re expecting. But we strive to provide more than just awesome products and super low prices. We appreciate that a lot of the equipment in our store calls for some amount of practical experience to properly evaluate and understand.
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AR AK Parts, AR Lower Parts, Gun Parts, Lower Parts Kits
CMMG AR-15 Lower Receiver Pin and Spring Kit
$18.99CMMG Lower Spring and Pin Kit provides all of the essential pin and springs needed to complete an AR-15 Lower Receiver. This kit is convenient for putting together a new…
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AR AK Parts, AR Lower Parts, Gun Parts, Lower Build Kits, Lower Parts Kits
Armaspec AR-15 Red Gun Builders Kit Stainless Lower Parts Kit
$79.99Tired of getting all those extra parts inside a mil-spec lower parts kit that you’re just not going to use? The AR-15 Stainless Lower Parts Kit from Armaspec is set…
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AR AK Parts, AR Lower Parts, Gun Parts, Lower Parts Kits, Small Lower Parts & Components
Tacfire AR-15 Lower Receiver Spring Kit 9 Piece
$19.99Tacfire AR-15 Lower Receiver Spring Kit 9 Piece
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AR AK Parts, AR Lower Parts, Gun Parts, Lower Parts KitsArmaspec Superlight AR-15 Lower Parts Kit Red
$79.99The Armaspec Superlight Lower Parts Kit includes almost everything needed to get that fresh lower built up. This kit does not include the fire control group (trigger) or pistol grip….
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AR Lower Parts, Gun Parts, Lower Parts KitsArmaspec AR-15 Superlight Lower Parts Kit Steel Blue
$79.99Â High quality components and precise manufacturing make Armaspec parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service…
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AR AK Parts, AR Lower Parts, Gun Parts, Lower Parts KitsArmaspec Superlight Gun Builders Kit AR-15 Lower Parts Kit Stainless Steel Black
$69.99Â Armaspec is excited to offer a Stainless Steel Gun Builders Lower Parts Kit. This particular kit is NOT a complete kit but a builders kit designed for individuals who prefer…
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AR AK Parts, AR Lower Parts, Gun Parts, Lower Parts KitsArmaspec AR-15 Gun Builder’s LPK without FCG and Grip Black
$69.99Â Armaspec lets you have spare parts handy or get ready for your next build. Their kit is without the Fire Control Group (FCG) and Grip so you can get that…
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AR AK Parts, AR Lower Parts, Gun Parts, Lower Parts KitsARMASPEC AR 10 Builders Kit No Grip Or Trigger Stainless Steel Purple
$89.99ARMASPEC AR 10 Builders Kit No Grip Or Trigger Stainless Steel Purple
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AR AK Parts, AR Lower Parts, Gun Parts, Lower Parts Kits
CMC Triggers AR-15 Lower Parts Kit No Grip or Fire Control
$39.99CMC Triggers 81500 AR-15 lower parts No fire control group or pistol grip
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AR AK Parts, AR Lower Parts, Gun Parts, Lower Parts Kits
CMC Triggers AR-15 Lower Parts Kit No Grip Or Fire Control 81500
$39.99This quality AR-15 lower parts kit from CMC triggers contains all the parts you need to complete your AR-15 lower with the exception of the pistol grip and fire control…
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AR AK Parts, AR Lower Parts, Gun Parts, Lower Parts Kits
UTG AR-15 Lower Upgrade Kit, Matte Black TLT-TKS01
$84.99The UTG® AR15 Lower Upgrade Kit comes in matte black and it is a perfect upgrade for your AR-15 Rifle because it features ambidextrous 45/90 safety selector and extended magazine…
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AR AK Parts, AR Lower Parts, Gun Parts, Lower Parts Kits
Caldwell AR OOPS Kit Field Repair Kit for AR15
$14.99This kit includes replacement detents and springs for the AR-15 that are most commonly damaged or lost.
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AR AK Parts, AR Lower Parts, Gun Parts, Lower Parts Kits
Caldwell S&W M&P AR-15 Customizable Lower Parts Kit
$49.99When building a new AR-15, many builders opt to use upgraded pistol grips, fire control parts or drop in trigger systems, leaving them with unused parts. Caldwell recognizes the needs…
