Log In

PRODUCT FINDER DEPARTMENTS DEPARTMENTS

Departments CSSI Exclusive Shop Firearms

Firearms

Handguns Rifles Short Barreled Rifles Shotguns Used Guns Lowers CA Compliant

Suppressors & Parts

Suppressors & Parts

Suppressors Suppressors Accessories

Ammunition

Ammunition

Handgun Ammunition Rifle Ammunition Shotgun Ammunition Rimfire Ammunition

Optics

Optics

Rifle Scopes Red Dot Sights Pistol Scopes Shotgun Scopes Archery Scopes Night Vision Thermal Imaging Laser Sights

Scope Mounting Scope Accessories Binoculars & Monoculars Spotting Scopes Rangefinders Firearm Sights Weapon Lights

Reloading

Reloading

Presses & Kits Primers Powder Tools & Gauges Bullets & Shot Brass Shotgun Reloading Dies

Manuals & Software Case Cleaning & Lube Components & Accessories Ammo & Bullet Storage

Gun Parts

Gun Parts

Magazines Handgun Parts Rifle Parts Shotgun Parts

Gunsmithing

Gunsmithing

Gunsmithing Tools Wood & Metal Preparation

Shooting

Shooting

Holsters & Belts Range Gear Shooting Safety & Apparel Cleaning Gun & Ammo Storage Targets Tactical Gear Slings & Swivels

Bipods, Monopods & Shooting Sticks Recreational Shooting

Airguns

Airguns

Airgun Handguns Airgun Rifles Pellets & BBs Airgun Accessories

Muzzleloaders

Muzzleloaders

Black Powder Rifles Black Powder Pistols Black Powder Cannons Muzzleloader Bullets & Sabots Muzzleloader Cleaning & Accessories Percussion Caps & Primers Black Powder Substitutes Muzzleloader Ramrods

Breech & Wrenches Powder Measures Shooting Patches & Wads Muzzleloader Cappers & Speed Loaders

Clothing & Footwear

Clothing & Footwear

Casual Outerwear Casual Shirts & Tops Casual Pants & Shorts Casual Footwear Casual Eyewear Casual Accessories Hunting Outerwear Hunting Shirts & Tops

Hunting Pants Hunting Footwear Hunting Eyewear Hunting Accessories

Closeouts

Closeouts

Firearms Ammunition Optics Reloading Gun Parts & Tools Shooting Airguns Muzzleloaders

Hunting Archery Outdoors Apparel CSSI Exclusive Shop Special Deals

Hunting

Hunting

Treestands Hunting Blinds Hunting Vests Trail Cameras & Accessories Decoys Game Calls Scents & Scent Eliminators Food Plots & Feeders

Game Processing Dog Training & Supplies Displays

Outdoors

Outdoors

Bags & Packs Tents Sleeping Gear Camp Kitchen Camp Furniture Water Lighting Gear & Tools

Navigation & Observation Health & Safety Accessories Dog Gear Personal Defense & Security

Knives & Edged Tools

Knives & Edged Tools

Knives Axes, Hatchets & Machetes Multi-Tools Sharpeners & Maintenance

Archery

Archery

Bows Arrows, Components & Broadheads Bow Accessories Archery Accessories Targets Tools

Rebates

Rebates

S&W Rebate

View All Departments

BRANDS BRANDS

Most Popular Brands

Glock Hornady CCI Leupold Ruger Smith & Wesson Sig Sauer H&K

Browning Springfield Armory FN CZ Colt PMC SB Tactical Suppressors

View All Brands

EXCLUSIVES INVENTORY REDUCTION INVENTORY REDUCTION

Firearms Ammunition Optics Reloading Gun Parts Shooting Outdoors Hunting Knives & Tools Clothing & Footwear Airguns Archery Suppressors Cases, Safes & Storage

RESOURCES

Product Finder

Filters

Show Only

In Stock (1341) New (210) On Sale (162)

Category

Gun Parts (1907)

Magazines (9) Rifle Parts (1886)

Barrels (89) Bolt Carriers (55) Buffer Tubes/Buffers & Springs (68) Caliber Conversions (25) Charging Handles/Bolt Knobs (57) Chassis & Stocks (253) Dummy Rounds (43) Gas Blocks/Gas Tubes (54) Grips (118) Handguards (150) Lowers (13) Magazine Catches (18) Muzzle Devices (567) Parts/Parts Kits (164) Triggers (157) Uppers (65)

Shotgun Parts (2)

Firearms (7) Suppressors and Parts (171) Optics (7) Gunsmithing (1) Shooting (89) Closeouts (3) Inventory Reduction (38)

Brand

AAC (1)Adams Arms (1)Aero Precision (98)Allen (3)Amend2 (11)Angstadt Arms (26)Area 419 (51)ATI (5)A-Zoom (35)B&T (2)

View All

Caliber

10mm Auto (1) 17 HMR (1) 17 Win Super Mag (2) 204 Ruger (1) 22 ARC (1) 22 LR (26) 22 WMR (1) 22-250 Rem (2) 223 Rem (3) 223 Wylde (4)

View All

Action

Bolt Action (5) Semi-Auto (4)

Gun Model

EPC-9 (1) M1500 (1) TSP X (1)

Model Series

AR9 (1) M1500 (2) Premier (3)

Rounds

10 (3) 12 (1) 2 (24) 5 (2) 6 (4)

Threaded Barrel

true (56)

Barrel Length

10" (1) 10.3" (1) 10.4" (1) 10.5" (9) 11.3" (1) 11.5" (1) 15" (2) 16" (11) 16.1" (3) 16.5" (15)

View All

Magazine Caliber

.22 LR (1) .223 Rem/5.56mm (1) 9mm Luger (2)

Firearm Capacity

10 (2) 30 (1)

Brand Family

Alpha (1) Archangel (1) UTG (2)

Magazine Capacity

1 rds (3)

Weapon Mfg

Glock (3) Ruger (1) Savage Arms (3)

Weapon Mfg Model

AR-15 (1) Axis (2) Model 110 (1) Ruger 10/22 (2)

Primary Caliber

22 LR (1) 5.56mm (2)

Firearm Accessories Weapon Fit

AK-47 (16) AR-10 (37) AR-15 (397) AR-15/AR-10 (1) AR-9 (10) B&T APC (2) B&T APC GHM Models (1) BRO-22 (4) Barrett 82A1 and M107 (1) Barrett MRAD (1)

View All

Optic Ready

Drilled and Tapped (5) Picatinny Rail (1)

Color

Black (1143) Black Nitride (10) Black/Brown (1) Black/Gray (2) Black/Green (2) Black/Red (8) Blue (7) Blued Steel (2) Bronze (7) Brown (4)

View All

Suppressor Type

Complete Suppressed Upper (1) Suppressor (3)

Ring & Mount Type

Accessory Rail (9) Picatinny Style (2) Rail Mount (2)

Muzzle Accessory Type

Adapters (65) Baffle Removal Tool (1) Blast Deflector (3) Compensator (6) Flash Hiders (47) Front Cap (17) Mitigation Device (9) Mount (66) Muzzle Brake (143) Piston (31)

View All

Thread Type

.578-28 (11) .578x28 XL (1) 1-3/8x24 (5) 1.375x24 (3) 1/2 and 5/8 (4) 1/2-28 (90) 1/2x36 (5) 11/16-24 (8) 13x1.25 (2) 14X1M LH (1)

View All

Trigger Parts Type

Binary Trigger (6) Sear & Spring Kit (1) Single Stage Trigger (98) Three Position Trigger (2) Trigger Fix (1) Trigger Guards (5) Trigger Pins (1) Trigger Safety (1) Two Stage Trigger (31)

Attachment Type

Complete Suppressed Upper (1) Direct Thread (5)

Ring & Mount Pieces

1-Piece (12)

Stock Action Type

AK-47 (2) AR-10 (1) AR-15 (74) HK MP5/53 (3) Howa 1500/Weatherby Vanguard (3) Mauser M98 (3) Mosin Nagant (3) Mossberg 500 (1) Remington 597 (1) Remington 700 (16)

View All

Firearm Accessories Type

AR Modification Kit (4) Action Parts (6) Anti-Walk Pin (2) Barrel (3) Barrel De-Resonator (2) Barrel Parts (5) Barrel Protector (1) Bolt Assembly (1) Bolt Carrier Group (44) Bolt Catch (1)

View All

Laser Color

Green (1)

Light Type

Flashlight (1) Weapon Light (1)

Pack/Bag/Case Type

Ammo Storage (1)

Shooting Item Type

Stock Pad (1) Tripod Plate (1)

Muzzleloader Caliber

45 cal (1) 50 cal (2)

Muzzleloader Ignition

U.M.L. Ignition System (1)

Stock Type

Adapter (2) Adjustable (37) Braces (26) Chassis (7) Fixed (49) Folding & Collapsible (67) Forend (1) Recoil Pad (16) Retractable (1) Spacer (1)

View All

Light Output in Lumens

260 (1) 300 (1)

Magazine Accessory Type

Adapter (3) Catch (8) Dust Cover (2) Magwell (2) Release (4)

Waterproof

IPX4 (1) Resistant (1) true (4)

Upper Type

Assembled Upper (10) Build Kit (5) Complete (25) Stripped (7)

Firearm Accessories Caliber

22 LR (6) 223 Remington/5.56 NATO (15) 223 Remington/5.56 NATO/.300 Blackout (1) 300 BLK (1) 300 Norma Mag (2) 300 PRC (1) 300 Win Mag (1) 308 (4) 308 WIN (20) 338 Norma Mag (2)

View All

Switch Type

Button (1)

Muzzleloader Accessory Type

Muzzleloader Brake (2)

Muzzleloader Barrel Length

26" (1)

Package Quantity

1 (20) 3 (1)

Cleaning Item Type

Snap Caps (31) Training Rounds (4)

Quantity

1 (523) 10 (4) 2 (3) 3 (1) 4 (8) 7 (1)

Grip Type

Foregrip (4) Handguard (7)

Bulb Count

1 (1)

Bulb Type

LED (1)

Lower Pattern

AR-10 (2) AR-15 (3) AR-9 (1)

Lower Type

Stripped (6)

Home > Catalog > Gun Parts > Rifle Parts

Rifle Parts

1-24 of 1,886 items

Filters

Categories:: Gun Parts; Rifle Parts

Clear All

DDM4 V7 URG 16IN M-LOK 5.56

ED2312802339047

CMMG Lower Parts Kit AR15 Gunbuilder's Kit

CA55CA601 Show Specs

Brand: CMMG|CA Prop 65: Yes|CA Prop 65 Chemical: Lead|Color: Black|Compliance Item Type: Lower Parts|Country of Origin: USA|Finish: Phosphate|Firearm Accessories Type: Upper/Lower Parts Kit|Firearm Accessories Weapon Fit: AR-15|Material: Aluminum|Quantity: 1|Warranty: Mfg Limited Lifetime

Breek Arms Warhammer MOD2 AR-15 Ambi Charging Handle Black

DLBRK522 Show Specs

Brand: Breek Arms|CA Prop 65: Yes|Color: Black|Compliance Item Type: Rifle Parts|Condition: New|Firearm Accessories Type: Charging Handle|Firearm Accessories Weapon Fit: AR-15|Quantity: 1

Fab Defense RAPS C Rifle Stock Black

NAFXRAPSCB Show Specs

Brand: Fab Defense|CA Prop 65: Yes|Color: Black|Condition: New|Stock Type: Adjustable

TacFire M-LOK Free Float Handguard 13" Black

EFHG2613 Show Specs

Brand: TacFire|CA Prop 65: Yes|Color: Black|Compliance Item Type: Handguards|Condition: New|Finish: Anodized|Firearm Accessories Weapon Fit: AR-15|Grip Type: Handguard|Length: 13"|Material: Aluminum|Quantity: 1|Warranty: Mfg Limited Lifetime

CMC Enhanced Bolt Carrier Group - AR-15 5.56/223/300 Blackout

UT81631 Show Specs

Brand: CMC Triggers|CA Prop 65: Yes|Color: Black|Finish: Black Nitride|Firearm Accessories Caliber: 223 Remington/5.56 NATO/.300 Blackout|Firearm Accessories Type: Bolt Carrier Group|Firearm Accessories Weapon Fit: AR-15

H&K MP5 3-Position Retractable Stock

HZ227901 Show Specs

Brand: H&K|CA Prop 65: Yes|Color: Black|Compliance Item Type: Stocks|Firearm Accessories Weapon Fit: HK MP5|Stock Type: Retractable

Wheeler Upper Receiver Action Rod AR-15

PH1100182 Show Specs

Brand: Wheeler|CA Prop 65: Yes|CA Prop 65 Chemical: Chromium

Combat Armory Billet AR-15 Lower Receiver Stripped Black

AWSTPCA15LOWERBLK Show Specs

Brand: Combat Armory|CA Prop 65: Yes|Color: Black|Compliance Item Type: Lowers|Condition: New|Lower Pattern: AR-10|Lower Type: Stripped

TacFire AR-15 Complete Upper 5.56 NATO 16" Barrel Black with Bolt Carrier Group

EFBU55616 Show Specs

Barrel Length: 16"|Brand: TacFire|CA Prop 65: Yes|Caliber: 5.56mm|Color: Black|Compliance Firearm Pattern: AR-15|Compliance Item Type: Uppers|Upper Type: Complete

Midwest Industries Combat Rail One Piece Free Float Handguard 15" MLOK Black

MWMICRM150 Show Specs

Brand: Midwest|CA Prop 65: Yes|Color: Black|Compliance Item Type: Handguards|Firearm Accessories Type: Handguard|Length: 15"|Quantity: 1|Weight: 11.4 oz

Hogue Ruger Model 77 MKII Stock-Short Action Standard Barrel Pillar Bed

HA77000 Show Specs

AICS Magazine Compatible: N/A|Brand: Hogue|CA Prop 65: Yes|Color: Black|Material: Rubber Overmolded Fiberglass|Stock Action Type: Ruger M77 MKII|Stock Type: Fixed

X-Ring Threaded Barrel SB-X Matte Black for the Ruger 10/22

TB1022SBXMB Show Specs

Barrel Length: 16.5"|Barrel Material: Steel|Barrel Twist Rate: 1:16|Barrel Type: Threaded|Brand: Tactical Solutions|CA Prop 65: Yes|Caliber: 22 LR|Color: Black|Firearm Accessories Weapon Fit: Ruger 10/22|Muzzle Thread: 1/2-28

TacFire AR-15 MLOK Free Float Handguard 15" Black

EFHG2515 Show Specs

Brand: TacFire|CA Prop 65: Yes|Color: Black|Compliance Item Type: Handguards|Condition: New|Firearm Accessories Weapon Fit: AR-15|Length: 15"|Material: Aluminum|Quantity: 1|Weight: 11.25 oz

Area 419 Finger Groove Bolt Knob Bergara/CZ 457

AH419KNOBBERG Show Specs

Brand: Area 419|CA Prop 65: Yes|Color: Black|Compliance Item Type: Rifle Parts|Firearm Accessories Type: Bolt Knob|Quantity: 1

Midwest Industries AK Alpha Series Krink Railed Top Cover Black

MWMIAKALPHAKRTC Show Specs

Brand: Midwest|Brand Family: Alpha|CA Prop 65: Yes|Condition: New|Ring & Mount Type: Picatinny Style

CMMG Buffer Assembly Carbine AR15

CA55CA977 Show Specs

Brand: CMMG|CA Prop 65: Yes|CA Prop 65 Chemical: Lead|Color: Silver|Compliance Item Type: Lower Parts|Country of Origin: USA|Finish: Stainless Steel|Firearm Accessories Weapon Fit: AR-15|Material: Stainless Steel|Warranty: Mfg Limited Lifetime

HS Precision Remington 700 Long Action BDL Factory Varmint Barrel Stock

HYPSV107 Show Specs

AICS Magazine Compatible: N/A|Brand: HS Precision|CA Prop 65: Yes|Color: Black|Material: Kevlar Carbon Fiber Composite|Stock Action Type: Remington 700|Stock Type: Fixed

TacFire AR-15 Mil Spec Buffer Tube Kit

EFMAR050B Show Specs

Brand: TacFire|CA Prop 65: Yes|Color: Black|Compliance Item Type: Lower Parts|Country of Origin: USA|Finish: Anodized|Firearm Accessories Type: Buffer Tube Kit|Firearm Accessories Weapon Fit: AR-15|Material: Steel Aluminum Polymer|Quantity: 1|Warranty: Mfg Limited Lifetime

Leapers Model 4/15 Buffer

LIRBA005 Show Specs

Brand: Leapers|CA Prop 65: Yes

CMC AR Lower Parts Kit with 3.5 lbs Flat Trigger

UT81503 Show Specs

Brand: CMC Triggers|CA Prop 65: Yes|Color: Black|Firearm Accessories Type: Upper/Lower Parts Kit|Firearm Accessories Weapon Fit: AR-15

Fab Defense RAPS Rapid Adjustment Precision Stock

NAfxraps Show Specs

AICS Magazine Compatible: N/A|Brand: Fab Defense|CA Prop 65: Yes|Color: Black|Material: Glass-Infused Polymer|Stock Action Type: AR-15|Stock Type: Folding & Collapsible

SB Tactical Picatinny Rail PSB, Polymer Strut, SBT Logo, Folding 1913 Hinge Black For Sig MPX/MCX

SOFS191301SB Show Specs

Brand: SB Tactical|CA Prop 65: Yes|Color: Black|Stock Action Type: Sig Sauer MCX/MPX|Stock Type: Braces

TacFire AR-15 Complete Built Upper 5.56 NATO 16"

EFSSBU55616 Show Specs

Barrel Length: 16"|Brand: TacFire|CA Prop 65: Yes|Caliber: 5.56mm|Color: Black|Compliance Item Type: Uppers|Condition: New|Upper Type: Assembled Upper

1
2
3
4
5
...
79

Return to top

CSSI About Us
Contact Info
Company Policies

Resources Exclusives
Promotions
Brands

My Account Invoices
Orders
Items
Credit & Payables

Social Facebook
Instagram

Copyright © 2026 Chattanooga Shooting Supplies, Inc

Resources

Rebates/Promos Brands Departments Certificate of Resale Links Credit Applications ATF Online

Become a Dealer

About Us

Log In