Uppers & Lowers Parts & Upgrades

6,289 products, biggest discounts first.

Beretta UsaBeretta Sl3 Top Lever Set Screw Brownells $9.99 ~~$18.99~~ 47% off
SskSSK Firearms Trigger Guard Thompson Center Contender MidwayUSA $28.44 ~~$53.99~~ 47% off
Beretta UsaPin Hinge Brownells $23.19 ~~$43.99~~ 47% off
J&E Machine TechJE Machine Advanced AR-15 Trigger Guard BattleHawk Armory +1 more ↓19% this week $5.28 ~~$9.99~~ 47% off
J&E Machine TechJE Machine Operator Style AR-15 Trigger Guard BattleHawk Armory +1 more ↓19% this week $5.28 ~~$9.99~~ 47% off
SskSSK Firearms Trigger Thompson Center Contender MidwayUSA $23.27 ~~$43.99~~ 47% off
Timber Creek OutdoorsTimber Creek Outdoors ARFAOD AR Foward Assist Assembly AR-Platform OD Green BattleHawk Armory $15.89 ~~$29.99~~ 47% off
Christensen ArmsChristensen Arms Bottom Metal Floor Plate Assembly Remington 700 Black Brownells +3 more $129.99 ~~$245.00~~ 47% off
FmkFMK Firearms AR-1 Blue 5.56 NATO / .223 Rem Stripped Lower BattleHawk Armory +2 more ↓20% this week $31.97 ~~$59.95~~ 47% off
Cmmg308 Ar Lower Gunbuilder's Lower Parts Kit - 308 Ar Gunbuilder's Lower Parts Kit BattleHawk Armory +5 more ↓20% this week $36.99 ~~$49.95~~ 26% off
Beretta UsaBeretta Sv10 20 Gauge Safety Spring Brownells $3.49 ~~$6.49~~ 46% off
Beretta UsaBeretta So Series Forend Iron Lever Plunger Brownells $3.49 ~~$6.49~~ 46% off
Beretta UsaBeretta Sv10 20 Gauge Select Lever Pin Brownells $3.49 ~~$6.49~~ 46% off
BrowningBrowning A-Bolt, BAR, Model 52 Receiver Plug Screw MidwayUSA $1.88 ~~$3.49~~ 46% off
Luth-ArBuffer Retainer With Spring - Buffer Retainer With Spring 10 Pack BattleHawk Armory +4 more ↓17% this week $14.58 ~~$26.99~~ 46% off
Beretta UsaEjector, 687 Upper/Lh, 28ga On .410 Frame Raw Brownells $39.99 ~~$73.99~~ 46% off
J&E Machine TechJE Machine AR-15 Pistol Buffer Tube Assembly BattleHawk Armory +1 more ↓25% this week $24.99 ~~$45.48~~ 45% off
Beretta UsaLever, Top, 682 Gold Brownells $76.49 ~~$138.99~~ 45% off
Guntec UsaGUNTEC AR9 BUFFER AND SPRING COMBO BattleHawk Armory $27.60 ~~$49.95~~ 45% off
SakoPin, Recoil Stop, 4x10, Base/Ring, Quick Det Mount, Trg 21/4 Brownells $4.99 ~~$8.99~~ 44% off
Cmc TriggersCMC Triggers AR-15, AR-10 Anti Walk Hammer and Trigger Pin Set Small Diameter BattleHawk Armory +6 more ↓15% this week $10.39 ~~$15.00~~ 31% off
Timber Creek OutdoorsTimber Creek Outdoors ARTPSODG Takedown Pin Set AR-Platform Compatible w/ Mil-Spec Lower OD Green Aluminum BattleHawk Armory +2 more ↓17% this week $11.18 ~~$19.99~~ 44% off
Luth-ArLuth-AR Carbine .308/7.62NATO Buffer Spring Fits Carbine Receiver Extension - L308-CS-10A GrabAGun +3 more ↓41% this week $3.69 ~~$6.49~~ 43% off
Snowy Mountain RiflesFlex System M5 Mag & Bdl Kit 2.85'''' Cartridge For Sa Oberndorf - Flex Sys M5 Mag & Bdl Combo Kit Wsm/Prc 3'''' Sa Oberndorf Blk MidwayUSA +3 more ↓6% this week $216.24 ~~$379.00~~ 43% off