We use essential cookies to operate this site. With your consent, we also use analytics and personalization cookies to understand how you use our site and tailor content specific to your interests.

Preferences Accept All Reject Non-Essential

Log In

PRODUCT FINDER DEPARTMENTS DEPARTMENTS

Departments CSSI Exclusive Shop Firearms

Firearms

Handguns Rifles Short Barreled Rifles Shotguns Used Guns Serialized Receivers 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

Category

Gun Parts (6320)

Rifle Parts (2163)

Muzzle Devices (618) Chassis & Stocks (303) Parts/Parts Kits (179) Buffer Tubes/Buffers & Springs (82) Grips (148) Handguards (197) Triggers (177) Charging Handles/Bolt Knobs (59) Dummy Rounds (44) Gas Blocks/Gas Tubes (57) Uppers (95) Barrels (101) Bolt Carriers (59) Lowers (15) Magazine Catches (19) Caliber Conversions (26)

Brand

A-Zoom (35)AAC (1)Adams Arms (1)Aero Precision (102)Allen (3)Amend2 (12)Anderson Manufacturing (6)Angstadt Arms (26)Area 419 (51)ATI (6)

View All

Action

Bolt Action (2) Semi-Auto (4)

Attachment Type

Direct Thread (5)

Barrel Length

10" (3) 10.3" (1) 10.4" (1) 10.5" (9) 11" (1) 11.3" (1) 11.5" (3) 13" (1) 14.5" (1) 15" (2)

View All

Barrel Material

Aluminum (9) Carbon Fiber (1) Stainless Steel (44) Steel (15) T6 Aluminum (2)

Brand Family

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

Bulb Count

1 (1)

Bulb Type

LED (1)

Caliber

10mm Auto (1) 17 HMR (1) 17 Win Super Mag (2) 204 Ruger (1) 22 ARC (1) 22 LR (28) 22 WMR (1) 22-250 Rem (2) 223 Rem (6) 223 Wylde (6)

View All

Cleaning Item Type

Snap Caps (31) Training Rounds (4)

Condition

New (787) Used (1)

Count

10 ct (2) 12 ct (2) 2 (1) 2 ct (22) 24 ct (1) 5 ct (2) 6 ct (6)

Country of Origin

Assembled in the USA (1) China (5) Italy (1) Spain (5) USA (299)

Diameter

0.5000 (1) 1.7300 (1)

Firearm Accessories Caliber

22 LR (7) 223 Remington/5.56 NATO (18) 223 Remington/5.56 NATO/.300 Blackout (3) 300 BLK (1) 300 Norma Mag (2) 300 PRC (1) 300 Win Mag (1) 308 (4) 308 WIN (18) 338 Norma Mag (2)

View All

Firearm Accessories Type

AR Modification Kit (4) Action Parts (6) Anti-Walk Pin (3) Barrel (5) Barrel De-Resonator (2) Barrel Parts (5) Barrel Protector (1) Bolt Assembly (1) Bolt Carrier Group (48) Bolt Catch (2)

View All

Firearm Accessories Weapon Fit

AK-47 (18) APC 223 (1) APC9 (1) AR-10 (38) AR-15 (466) AR-15/AR-10 (10) AR-9 (10) B&T APC (2) B&T APC GHM Models (1) B&T-SPR (1)

View All

Firearm Capacity

10 (2) 30 (1)

Full Auto Rated

Yes (1)

Grip Type

Foregrip (8) Handguard (10)

Gun Model

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

Laser Color

Green (1)

Light Output in Lumens

260 (1) 300 (1)

Light Type

Flashlight (1) Weapon Light (1)

Lower Pattern

AR-10 (1) AR-15 (4) AR-9 (1)

Lower Type

Complete (1) Stripped (5)

Magazine Accessory Type

Adapter (3) Catch (8) Dust Cover (2) Extension (1) Magwell (2) Release (4)

Magazine Caliber

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

Magazine Capacity

1 rds (3)

Measuring Type

Chronograph Adapter (1)

Model Series

AR9 (1) M1500 (2)

Muzzle Accessory Type

Adapters (70) Baffle Removal Tool (1) Blast Deflector (3) Compensator (10) Flash Hiders (55) Front Cap (18) Mitigation Device (9) Mount (70) Muzzle Brake (157) Piston (31)

View All

Muzzle Thread

1/2-28 (35) 11/16-24 (4) 5/8-24 (32) M12x1.0 LH (1)

Muzzleloader Accessory Type

Muzzleloader Brake (2)

Muzzleloader Barrel Finish

Satin (1)

Muzzleloader Barrel Length

26" (1)

Muzzleloader Barrel Material

Stainless Steel (1)

Muzzleloader Barrel Twist

1:26" (1)

Muzzleloader Caliber

45 cal (1) 50 cal (2)

Muzzleloader Ignition

U.M.L. Ignition System (1)

Muzzleloader Length of Pull

13-3/8" (1)

Muzzleloader Overall Length

47" (1)

Muzzleloader Recoil Pad

Yes (1)

Muzzleloader Scope Type

Not Included (1)

Muzzleloader Sight Type

Fixed (1)

Muzzleloader Trigger

Single (1)

Muzzleloader Type

Inline (Bolt Action) (1)

Optic Ready

Drilled and Tapped (1) Picatinny Rail (1)

Optics Activation Modes

Manual On/Off (1)

Pack/Bag/Case Type

Ammo Storage (1)

Package Quantity

1 (21) 3 (1) 30 (1)

Primary Caliber

5.56mm (2)

Product Class

Barrels (83) Cleaning Supplies (1) Firearm Accessories (756) Handguard/Grips (71) Lights (2) Lowers (5) Magazines (21) Muzzle Devices (565) Muzzleloader Accessories (2) Muzzleloaders (1)

View All

Quantity

1 (585) 10 (7) 2 (3) 3 (1) 30 (1) 4 (8) 7 (1)

Ring & Mount Action

Automatic (2) Bolt Action (1) MSR (12)

Ring & Mount Finish

Anodized (9) Black (1) FDE Cerakote (1) Matte (5) Oxide (1)

Ring & Mount Pieces

1-Piece (21) 2-Piece (1)

Ring & Mount Type

Accessory Rail (11) Light/Laser Rail Mount (1) Picatinny Style (10) Rail Mount (2) Red Dot Sight Mount (1)

Rounds

10 (3) 12 (1) 2 (25) 5 (2) 6 (4)

Shooting Item Type

Stock Pad (1) Tripod Plate (2)

Stock Action Type

AK-47 (2) AR-10 (1) AR-15 (82) B&T-SPR (1) GSG-16 (1) HK MP5/53 (3) Howa 1500/Weatherby Vanguard (5) Mauser M98 (3) Mosin Nagant (3) Mossberg 500 (1)

View All

Stock Material

Aluminum (1) Synthetic (1)

Stock Type

Adapter (6) Adjustable (39) Braces (32) Chassis (8) Fixed (70) Folding & Collapsible (83) Forend (1) Recoil Pad (17) Retractable (1) Spacer (1)

View All

Strobe

Yes (1)

Suppressor Type

Suppressor (3)

Switch Type

Button (1)

Thread Type

.578-28 (12) .578x28 XL (1) 1-3/8x24 (5) 1.125x28 (1) 1.375x24 (4) 1/2 and 5/8 (4) 1/2-28 (102) 1/2x36 (5) 11/16-24 (9) 13x1.25 (2)

View All

Threaded Barrel

Yes (60)

Trigger Parts Type

Binary Trigger (6) Sear & Spring Kit (1) Single Stage Trigger (113) Three Position Trigger (2) Trigger Fix (1) Trigger Guards (6) Trigger Pins (1) Trigger Safety (1) Two Stage Trigger (32)

Upper Type

Assembled Upper (15) Bolt Carrier Group (2) Build Kit (8) Complete (45) Stripped (13)

Waterproof

IPX4 (1) Resistant (1) Yes (4)

Weapon Mfg

B&T (1) Glock (3) Ruger (1) Savage Arms (3)

Weapon Mfg Model

APC9 (1) AR-15 (1) Axis (2) Model 110 (1) Ruger 10/22 (2)

Home > Catalog > Gun Parts > Rifle Parts

Rifle Parts

1-25 of 2,163 items

Filters

Categories:: Gun Parts; Rifle Parts

TacFire AR-15 6-Position Mil-Spec Buffer Tube Kit with Dual Loop End Plate

EFMAR047B Show Specs

Brand: TacFire|CA Prop 65: Yes|Color: Black|Country of Origin: USA|Finish: Anodized|Firearm Accessories Caliber: 223 Remington/5.56 NATO|Firearm Accessories Type: Buffer Tube Kit|Firearm Accessories Weapon Fit: AR-15|Length: 8"|Material: Steel Aluminum|Quantity: 1|Warranty: Mfg Limited Lifetime|Weight: 11 oz

TacFire Mil-Spec Buffer Tube Aluminum Black

EFMAR040 Show Specs

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

Radian Weapons Raptor LT AR-15 Charging Handle Black Ambi

RER0148 Show Specs

Brand: Radian Weapons|CA Prop 65: Yes|Color: Black|Firearm Accessories Type: Charging Handle|Firearm Accessories Weapon Fit: AR-15|Material: Aluminum|Quantity: 1|Warranty: Mfg Limited Lifetime

SB Tactical SBA5 Pistol Stabilizing Brace 5-Position Adjustable for AR-15 Black

SOSBA5X01SB Show Specs

Brand: SB Tactical|CA Prop 65: Yes|Color: Black|Firearm Accessories Weapon Fit: AR-15|Stock Action Type: AR-15|Stock Type: Braces

SB Tactical SBA6 Pistol Stabilizing Brace 5-Position Adjustable for AR-15 Black

SOSBA6X01SB Show Specs

Brand: SB Tactical|CA Prop 65: Yes|Color: Black|Condition: New|Firearm Accessories Weapon Fit: AR-15|Stock Action Type: AR-15|Stock Type: Braces|Weight: 8.5 oz

B5 Systems Bravo AR Stock Mil-Spec Size Black

1BBRV1082I Show Specs

AICS Magazine Compatible: N/A|Brand: B5 Systems|CA Prop 65: Yes|Color: Black|Country of Origin: USA|Firearm Accessories Weapon Fit: AR-15|Material: Polymer|Stock Action Type: AR-15|Stock Type: Folding & Collapsible|Warranty: Mfg Limited Lifetime|Weight: 9.3 oz

A-Zoom Rimfire Training Rounds .22 LR 6/ct

PA12208 Show Specs

Brand: A-Zoom|CA Prop 65: Yes|Caliber: 22 LR|Cleaning Item Type: Training Rounds|Count: 6 ct|Material: Aluminum|Package/Packing: Clamshell|Rounds: 6

TacFire AR-15 H2 Carbine Buffer Black 4.6 oz

EFMAR044H2 Show Specs

Brand: TacFire|CA Prop 65: Yes|Color: Black|Condition: New|Firearm Accessories Type: Buffer and Buffer Parts|Firearm Accessories Weapon Fit: AR-15|Quantity: 1|Weight: 4.6 oz

SB Tactical SBA3 5-Position Adjustable Stock for AR-15 Platforms Black

SOSBA3X01SB Show Specs

AICS Magazine Compatible: N/A|Brand: SB Tactical|CA Prop 65: Yes|Color: Black|Material: Polymer|Stock Action Type: AR-15|Stock Type: Braces

A-Zoom Metal Snap Caps .223 Remington 2/ct

PA12222 Show Specs

Brand: A-Zoom|CA Prop 65: Yes|Caliber: 223 Rem|Cleaning Item Type: Snap Caps|Count: 2 ct|Material: Aluminum|Package/Packing: Clamshell|Rounds: 2

CSSI Exclusive!

Combat Armory Billet AR-9 Lower Receiver Stripped with Mag Release and Ejector Black

AWSTPCA9LOWERBLK Show Specs

Brand: Combat Armory|CA Prop 65: Yes|Color: Black|Condition: New|Lower Pattern: AR-9|Lower Type: Stripped

TacFire AR-10 Carbine Buffer Tube Kit / Reg End Plate

EFMAR047308A Show Specs

Brand: TacFire|CA Prop 65: Yes|Color: Black|Country of Origin: USA|Finish: Anodized|Firearm Accessories Type: Buffer Tube Kit|Firearm Accessories Weapon Fit: AR-10|Material: Steel Aluminum|Quantity: 1|Warranty: Mfg Limited Lifetime

Springfield Armory Kuna Adjustable Folding Rifle Stock Black

FKKN5832RET Show Specs

Brand: Springfield Armory|CA Prop 65: Yes|Color: Black|Condition: New|Country of Origin: USA|Finish: Matte|Firearm Accessories Caliber: 9mm Luger|Firearm Accessories Type: Buttstock|Firearm Accessories Weapon Fit: Springfield Armory Kuna|Length: 10"|Material: Polymer|Quantity: 1|Warranty: Mfg Limited Lifetime|Waterproof: Yes

Magpul MVG- MOE Vertical Grip Fits M-LOK Hand Guard Black

ZZMAG597BLKI Show Specs

Brand: Magpul Accessories|CA Prop 65: Yes|Color: Black

Radian Weapons Raptor SD AR-15 Charging Handle Black Ambi

RER0006 Show Specs

Brand: Radian Weapons|CA Prop 65: Yes|Color: Black|Firearm Accessories Type: Charging Handle|Firearm Accessories Weapon Fit: AR-15|Material: Aluminum|Quantity: 1

CMMG Zeroed Adjustable Gas Block .750" ID

CA55DA31F Show Specs

Brand: CMMG|CA Prop 65: Yes|Color: Black|Condition: New|Firearm Accessories Type: Gas Block|Quantity: 1

CSSI Exclusive!

Combat Armory Billet AR-10 Lower Receiver Stripped with Mag Release and Ejector Black

AWSTPCA10LOWERBLK Show Specs

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

TacFire AR-15 Lower Parts Kit / A2 Grip (Made in the USA)

EFLPK01USA Show Specs

Brand: TacFire|CA Prop 65: Yes|Color: Black|Country of Origin: USA|Finish: Black Nitride|Firearm Accessories Caliber: 223 Remington/5.56 NATO|Firearm Accessories Type: Upper/Lower Parts Kit|Firearm Accessories Weapon Fit: AR-15|Material: Steel|Quantity: 1|Warranty: Mfg Limited Lifetime

CMMG AR ZEROED Anti-Walk Rifle Trigger Pins

CA55DA1AE Show Specs

Brand: CMMG|CA Prop 65: Yes|Condition: New|Firearm Accessories Type: Anti-Walk Pin|Firearm Accessories Weapon Fit: AR-15/AR-10

TacFire AR-15/Pistol 4.9 oz Heavy Buffer (Similar Weight to H2)

EFMAR044 Show Specs

Brand: TacFire|CA Prop 65: Yes|Color: Black|Country of Origin: USA|Finish: Black Nitride|Firearm Accessories Type: Buffer and Buffer Parts|Firearm Accessories Weapon Fit: AR-15|Material: Steel|Quantity: 1|Warranty: Mfg Limited Lifetime

B5 Systems Vertical Grip M-LOK Black

1BVFG1571 Show Specs

Brand: B5 Systems|CA Prop 65: Yes|Color: Black|Condition: New|Firearm Accessories Type: Grips|Quantity: 1

Dead Air Direct Thread Mount w/ HUB Compatible Products 1/2-28

DNLT301 Show Specs

Brand: Dead Air Silencers|CA Prop 65: Yes|CA Prop 65 Chemical: Di(2-ethylhexyl)phthalate|Color: Black|Material: Steel|Muzzle Accessory Type: Adapters

TacFire AR-15 Lower Parts Kit / No Grip Included (Made in the USA)

EFLPKUSANG Show Specs

Brand: TacFire|CA Prop 65: Yes|Color: Black|Country of Origin: USA|Firearm Accessories Type: Upper/Lower Parts Kit|Firearm Accessories Weapon Fit: AR-15|Material: Steel|Quantity: 1|Warranty: Mfg Limited Lifetime

SilencerCo Bravo ASR Suppressor Mount Black

IKAC824 Show Specs

Brand: SilencerCo|CA Prop 65: Yes|Color: Black|Muzzle Accessory Type: Mount

SB Tactical SBA5 Pistol Stabilizing Brace 5-Position Adjustable for AR-15 FDE

SOSBA5X02SB Show Specs

Brand: SB Tactical|CA Prop 65: Yes|Color: Flat Dark Earth|Firearm Accessories Weapon Fit: AR-15|Stock Action Type: AR-15|Stock Type: Braces

1
2
3
4
5
...
87

Return to top

CSSI About Us
Contact Info
Company Policies
Become a Dealer

Resources Exclusives
Promotions
Brands

My Account Invoices
Orders
Items
Credit & Payables

Social Facebook
Instagram

Copyright © 2026 Chattanooga Shooting Supplies, Inc

Cookie Preferences

Resources

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

Become a Dealer

About Us

Log In