TacFire® AR-15 / AR-9 Heavy Buffer - 5.5 oz Recoil Mitigation Weight, Extended Body Length, High-Density Polymer Bumper, Anodized Matte Black Finish - MAR044-5.5 / 745557101823
Product Description
Direct blowback 9mm AR pistols and PCCs (Pistol Caliber Carbines) unlock fast target transitions, but their recoil impulse can feel surprisingly harsh. Because blowback systems lack a locking gas block, they rely entirely on bolt mass and spring resistance to hold the action closed during detonation. Running a lightweight 3 oz carbine buffer behind a 9mm bolt causes snappy muzzle jump, excessive bolt velocity, and premature wear on trigger pins and lower receivers. The **TacFire® AR-15 9mm Heavy Buffer 5.5 oz (MAR044-5.5 / 745557101823)** tames these cycling dynamics, adding essential reciprocity mass to smooth out your action.
Machined from heavy-duty aluminum with an anodized matte black protective finish, the MAR044-5.5 buffer weighs in at a calibrated 5.5 ounces. This added reciprocating weight slows down bolt velocity, dampens felt recoil, and prevents bolt bounce during rapid double-taps. The extended design features a high-density bumper tip that cushions rear impact inside your buffer tube. Simple to drop into any standard carbine-length receiver extension, this 5.5 oz heavy buffer helps keep your sights flat on target shot after shot.
Engineered for seamless fitment in carbine-length buffer tubes, this heavy buffer provides smooth blowback cycling and enhanced firearm control straight off your workbench.
*Armorer Bench Notes & Real-World Staging Guidance: The TacFire MAR044-5.5 heavy buffer comes pre-assembled and ready for drop-in installation. BUFFER TUBE & CALIBER FITMENT MATRIX: Fits standard **carbine-length buffer tubes (mil-spec or commercial-spec)**. *Platform Note:* Specifically tuned for blowback 9mm AR-9 PCCs and pistols, but can also be used in over-gassed 5.56 NATO or .300 Blackout carbines requiring extra reciprocating mass. Workbench Setup Steps: 1. Always verify your firearm is completely unloaded with the magazine removed and chamber clear before maintenance. 2. Push out the rear takedown pin and pivot the upper receiver open. 3. Depress the buffer retainer pin inside the lower receiver and carefully remove your existing buffer and buffer spring. 4. Slide the TacFire 5.5 oz heavy buffer into your carbine spring and seat the assembly back into the receiver extension tube until it clicks behind the retainer pin. 5. Close the receiver, re-engage the takedown pin, and hand-cycle the charging handle to confirm smooth, binding-free operation before hitting the range.*
Key Features
- 5.5 oz Heavy Reciprocating Mass: Calibrated weight delays action unlock in blowback systems to reduce felt recoil and muzzle rise.
- Tuned for 9mm PCC & AR-9 Builds: Ideal reciprocating mass for direct blowback 9mm pistol caliber carbines and AR pistols.
- Durable Aluminum Body Construction: Tough aluminum body with a matte black anodized finish resists corrosion and wear.
- High-Density Polymer Rear Bumper: Impact-absorbing rubber bumper cushions bottom-out forces against the rear of the buffer tube.
- Reduces Bolt Velocity & Pin Wear: Slower action travel protects trigger pins, lower receivers, and bolt catches from excessive stress.
- Drop-In Carbine Extension Fit: Direct replacement for standard carbine buffers in mil-spec and commercial receiver extension tubes.
Product Specifications
- Brand: TacFire® (Chino, CA / Tactical Firearm Accessories)
- Model Line: Heavy Recoil Buffer Series
- MPN/SKU Code: MAR044-5.5
- UPC Code Profile: 745557101823
- Platform Fitment: AR-15 / AR-9 / PCC Carbine Buffer Tubes
- Buffer Weight Rating: 5.5 Ounces (~156 Grams)
- Structural Material Base: Machined Aluminum Body w/ Internal Dense Weights
- Exterior Finish Dressing: Anodized Matte Black Finish
- Bumper Material: High-Impact Density Polymer
- Full Kit Component Checklist: 1x TacFire 5.5 oz 9mm Heavy Buffer Assembly
- Packaging Format Class: Factory Original Sealed Retail Packaging
- Product Type Category: Rifle Accessories / AR-15 Lower Receiver Buffer Components
- Net Component Mass: ~5.5 oz (~156 Grams)
- Warranty Protection: Backed by TacFire Limited Warranty
