Gun Parts

Best Sellers
  1. Ar-15 Lower Parts Kit - Lower Parts Kit Ar-15
    Item#:
    100-011-594  
    Our Price:
    $74.99
    Description:
    Complete kit contains every internal part needed to complete or rebuild an AR lower receiver. High-quality components are designed to work in coordination with each other to ensure smooth operation, and they come packaged in color-coded bags that organize related parts for easy assembly. Includes molded-polymer A2 pistol grip,  Mil-Spec trigger that offers a conventional, single-stage 6 to 6½ lb. service rifle pull. Mfg: Cmmg SPECS: Kit includes A2-style pistol grip, trigger, trigger spring, hammer, disconnector, hammer/trigger retaining pins, hammer spring, bolt stop and screw, selector, selector detent, bolt catch, magazine catch, magazine release button, front pivot pin, rear takedown pin, buffer retainer, triggerg
  2. 308 Ar Lower Parts Kit - .308 Lower Parts Kit
    Item#:
    231-000-250  
    Our Price:
    $69.99
    Description:
    Full Set Of Internal Parts Needed To Complete A Stripped Lower Receiver
  3. Ar-15 Lower Parts Kit - Lower Receiver Parts Kit
    Item#:
    430-000-543  
    Our Price:
    $79.99
    Description:
    High-Quality, Correct-Spec Parts Finished & Ready To Install
  4. 308 Ar Lower Parts Kit
    Item#:
    100-011-172  
    Our Price:
    $94.99
    Description:
    Complete kit contains every internal part needed to complete or rebuild an AR lower receiver. High-quality components are designed to work in coordination with each other to ensure smooth operation, and they come packaged in color-coded bags that organize related parts for easy assembly. Includes molded-polymer A2 pistol grip and a Mil-Spec trigger that offers a conventional, single-stage 6 to 6½ lb. service rifle pull. Mfg: Cmmg SPECS: Kit includes A2-style pistol grip, trigger, trigger spring, hammer, disconnector, hammer/trigger retaining pins, hammer spring, bolt stop and screw, selector, selector detent, bolt catch, magazine catch, magazine release button, front pivot pin, rear takedown pin, buffer retainer, triggerg
  5. Ar-15/M16 Replacement Parts Kit - Small Parts Kit, 39 Piece Large Kit
    Item#:
    989-015-039  
    Our Price:
    $47.90
    Description:
    Genuine, Mil-spec quality small pins, springs, washers and screws for the AR-15/M-16 that wear out, break, or just get lost. With this economical kit on hand you’ll always have the part you need. Mfg: Tti Intl SPECS: Kit contains A-1 Sight Drum Pin,A-2 Windage Knob pin, bolt catch pin, bolt catch spring, bolt gas rings, buffer retainer spring, CAR buffer spring STD buffer spring, ejection port cover spring, ejector retainer pin, firing pin retainer pin. Flash suppressor lock washer, forward assist pin,
  6. Ar-15/M16 Armorer's Small Parts Kit - Ar-15 Armorer's Small Parts Kit
    Item#:
    084-000-374  
    Our Price:
    $599.99
    Description:
    Designed for the armorer or gunsmith who services a lot of ARs! This extensive kit includes the key small components for both the upper and lower receiver to keep your customers’, department’s, or agency’s AR-15s ready for action. Also great for doing multiple builds as well as for replacing parts that have been damaged in use or been lost during installation. Handy insurance to make sure you always have a replacement part when you need one. Mfg: Brownells SPECS: Kit includes: 5 each - hammer, hammer spring, trigger, trigger spring, triggerguard, triggerguard roll pin, disconnector, disconnector spring, safety selector, magazine latch, magazine release button, magazine release spring, bolt catch, bolt catch plunger, bolt catch spring, bolt catch ro
  7. Ar-15 Alg Trigger With Lower Parts Kit - Act Trigger W/ Lower Parts Kit
    Item#:
    100-010-635  
    Our Price:
    $94.99
    Description:
    Gives A Smoother Pull While Preserving Reliability
  8. Ar-15 Alg Trigger With Lower Parts Kit - Qms Trigger W/ Lower Parts Kit
    Item#:
    100-010-634  
    Our Price:
    $74.99
    Description:
    Gives A Smoother Pull While Preserving Reliability
  9. Ar-15 Survival Kit - Ar-15 Survival Parts Kit
    Item#:
    100-014-673  
    Our Price:
    $64.99
    Description:
    The CMMG AR15 Survival Kit contains all the parts that should be kept on-hand, in case of a much needed repair.  A great kit to keep in your range bag, or keep with your gear.  Kit contains the following parts: Ejector, ejector/selector spring (2), extractor, extractor spring and buffer, extractor pin, ejector roll pin, receiver takedown pin, disconnector, gas ring (3), cam pin, carrier key screw (2), firing pin, firing pin retaining pin, receiver pivot pin, takedown/pivot pin detent (2), disconnector spring, hammer spring, trigger spring, hammer/trigger pin (2), selector detent and takedown/pivot pin detent spring (2). Mfg: Cmmg SPECS: Fits AR15 rifles.
  10. Take Down Nut
    Item#:
    550-000-199  
    Our Price:
    $19.99
    Description:
    TAKE DOWN NUT Mfg: Marlin
  11. Take Down Pin
    Item#:
    160-308-140  
    Our Price:
    $11.99
    Description:
    TAKE DOWN PIN Mfg: Colt
  12. Ar-15 Lower Gunbuilder's Lower Parts Kit - Ar-15 Gunbuilder's Lower Parts Kit
    Item#:
    100-014-538  
    Our Price:
    $46.99
    Description:
    CMMG Lower Parts Gunbuilder's Kits contain the needed parts to complete an AR-15 lower receiver.  These kits come less the trigger, grip and trigger guard. Parts list includes: Takedown pin, receiver pivot pin, takedown pin detent (2), takedown pin detent spring (2), hammer and trigger pin (2), safety selector, selector detent, magazine catch, magazine catch spring, magazine release button, bolt catch, bolt catch plunger, bolt catch spring, bolt catch spring pin, buffer retainer and buffer retainer spring. Mfg: Cmmg

Ammunition
  1. Pnw 300 Blk Ammo Can - .300 Blackout Range 147gr Fmj 500 Round Ammo Can
    Item#:
    105-000-265  
    Our Price:
    $359.99
    List Price: $399.99
    Description:
    300 BLK is a cutting edge design. Powerful .308 terminal ballistics provide serious stopping power in a compact package. This general-purpose round is fun to shoot. The 147gr military grade bullet provides extra knockdown power. It is ideal for target shooting, practice, and plinking. Loaded with new PNW Arms 300 Blackout brass casings and new 147gr projectiles, our Range ammunition under goes the same strict quality control process used for Match grade ammunition. Mfg: Brownells
  2. Pnw Range Rifle Ammo - .300 Blackout Range 147gr Fmj 20/Box
    Item#:
    105-000-264  
    Our Price:
    $15.79
    List Price: $18.99
    Description:
    300 BLK is a cutting edge design. Powerful .308 terminal ballistics provide serious stopping power in a compact package. This general-purpose round is fun to shoot. The 147gr military grade bullet provides extra knockdown power. It is ideal for target shooting, practice, and plinking. Loaded with new PNW Arms 300 Blackout brass casings and new 147gr projectiles, our Range ammunition under goes the same strict quality control process used for Match grade ammunition. Mfg: Brownells
  3. Ae 5.7x28mm Ammo Can - American Eagle 5.7x28mm 40gr Fmj 500 Round Ammo Can
    Item#:
    105-000-262  
    Our Price:
    $219.99
    List Price: $239.99
    Description:
    Loaded with clean-burning powders, Federal grade primers and brass, and a choice of bullet styles, shooters know they get quality and affordability with American Eagle. Now the popular 5.7x28mm cartridge come with a .50 Cal MTM ammo can for easy storage of your ammo or anything else you might need protected. Mfg: Brownells
  4. Wolf 7.62x54r Ammo Can - Wolf 7.62x54r 148gr Fmj 400 Round Ammo Can
    Item#:
    105-000-263  
    Our Price:
    $169.00
    List Price: $239.99
    Description:
    Wolf Ammunition is great for high-volume shooting and is made for reliable ignition in adverse conditions. Copper-washed steel case resists corrosion and ensures smooth feeding and extraction. Polyformance line has a slick polymer coating that further enhances smooth chambering/extraction. Non-corrosive powder and primer won’t damage the bore. Mfg: Brownells
  5. Military Classic Rifle Ammunition - Military Classic 7.62x54r 148gr Fmj 20/Box
    Item#:
    105-000-252  
    Our Price:
    $8.99
    List Price: $11.99
    Description:
    Wolf Ammunition is great for high-volume shooting and is made for reliable ignition in adverse conditions. Copper-washed steel case resists corrosion and ensures smooth feeding and extraction. Polyformance line has a slick polymer coating that further enhances smooth chambering/extraction. Non-corrosive powder and primer won’t damage the bore. Mfg: Wolf
  6. Military Classic Rifle Ammunition - Military Classic 223 Rem 55gr Hp 1,000/Box
    Item#:
    105-000-249  
    Our Price:
    $289.99
    Description:
    Wolf Ammunition is great for high-volume shooting and is made for reliable ignition in adverse conditions. Copper-washed steel case resists corrosion and ensures smooth feeding and extraction. Polyformance line has a slick polymer coating that further enhances smooth chambering/extraction. Non-corrosive powder and primer won’t damage the bore. Mfg: Wolf

View All Ammunition »

Looking to buy Gun Parts? You've found Sinclair Intl, home of the best selection and prices every day. Our selection of over six thousand Gun Parts represents the best of the best, on sale at prices from $0.33 to $2,961.48. As the number one online retailer of firearm reloading equipment and supplies, we'll provide excellent customer service, great prices, and top-quality merchandise every day. We stand behind every item we sell, because we work with reloading supplies, too. We're happy to offer a 100% satisfaction guarantee - if you're not completely satisfied with your purchase, we'll make it right. So check out our complete selection of Gun Parts and place your order online or by calling us toll free at (800) 717-8211. We're here to provide you with all the firearm reloading equipment and supplies and information you need, so - if you don't find what you're looking for online - give us a call!